{"title":"Testing Supplies","description":"\u003cp style=\"text-align: center;\" data-end=\"510\" data-start=\"193\"\u003eEnsure accuracy and authenticity with \u003cstrong data-end=\"259\" data-start=\"231\"\u003ejewelry testing supplies\u003c\/strong\u003e designed for professional jewelers, appraisers, and gold buyers. Our collection includes \u003cstrong data-end=\"370\" data-start=\"349\"\u003eacid testing kits\u003c\/strong\u003e, \u003cstrong data-end=\"390\" data-start=\"372\"\u003edigital scales\u003c\/strong\u003e, \u003cstrong data-end=\"407\" data-start=\"392\"\u003etouchstones\u003c\/strong\u003e, \u003cstrong data-end=\"428\" data-start=\"409\"\u003ediamond testers\u003c\/strong\u003e, and \u003cstrong data-end=\"453\" data-start=\"434\"\u003emetal analyzers\u003c\/strong\u003e for reliable precious metal and gemstone verification.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-end=\"798\" data-start=\"512\"\u003eEach tool is built for precision, ease of use, and dependable results—helping you identify metal purity and gemstone quality with confidence. Whether you’re testing gold, silver, platinum, or diamonds, our \u003cstrong data-end=\"747\" data-start=\"718\"\u003ejewelry testing equipment\u003c\/strong\u003e delivers professional-grade accuracy every time.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-end=\"798\" data-start=\"512\"\u003e \u003c\/p\u003e","products":[{"product_id":"diamond-gemlight","title":"Diamond Gemlight","description":"\u003cdiv\u003e\n\u003ch1\u003eDiamond Gemlight\u003c\/h1\u003e\n\u003cp\u003e\u003cb\u003eDiamond Gemlight\u003c\/b\u003e is a lightweight, compact lighting tool designed for professional diamond and colored stone grading. The Diamond Gemlight features Verilux illumination and UV long-wave light to enable precise assessment of color, tone, and fluorescence, giving gemologists a reliable edge in color grading and fluorescence analysis.\u003c\/p\u003e\n\u003cp\u003eWith a deep grading cavity and efficient heat management, it stays cool during extended sessions while securely framing each stone for consistent inspection. The 90% cool white balance delivers true color rendering, supporting accurate judgments in a busy lab or shop floor. This diamond grading tool blends portability with professional performance for color-rich gemstones and diamonds alike.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eLightweight, compact design for portable use in field, lab, or store\u003c\/li\u003e \u003cli\u003eVerilux illumination plus UV long-wave light for color, tone and fluorescence analysis\u003c\/li\u003e \u003cli\u003eDeep grading cavity minimizes distractions during inspection\u003c\/li\u003e \u003cli\u003e90% cool white balance for true color rendering\u003c\/li\u003e \u003cli\u003eRugged construction built for professional use in labs and stores\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for diamond grading, colored stones, and gemology work, Diamond Gemlight streamlines workflows and elevates accuracy. Ready to upgrade your lighting for precise gem assessment? Add Diamond Gemlight to your toolkit today.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545500786750,"sku":"DIA-338.00","price":89.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/dia-338.00_1.jpg?v=1759338234"},{"product_id":"presidium-multi-tester","title":"Presidium Multi Tester","description":"\u003cdiv\u003e\n\u003ch1\u003ePresidium Multi Tester\u003c\/h1\u003e\n\u003cp\u003eThe Presidium Multi Tester (PMuT) blends Thermal Conductivity and Electrical Conductivity to deliver precise stone testing with patented technology. The measuring probes and electronics are designed to pick up and segregate data collected from gemstones, providing clear, actionable results for accurate identification and grading.\u003c\/p\u003e \u003cp\u003eThis versatile gemstone tester supports efficient gemstone identification, quality assessment, and documentation. By combining dual-parameter testing with advanced signal processing, PMuT delivers data-driven insights that improve confidence in every decision.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDual-parameter testing:\u003c\/b\u003e Simultaneous Thermal Conductivity and Electrical Conductivity measurements\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePatented technology:\u003c\/b\u003e Superior data segregation for reliable results\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUser-friendly interface:\u003c\/b\u003e Intuitive controls and quick setup\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePortable and durable:\u003c\/b\u003e Lightweight handheld design for on-site use\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComprehensive data:\u003c\/b\u003e Stores, analyzes, and exports test results for records\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re a jeweler, appraiser, or lab, PMuT streamlines gemstone testing with consistency and accuracy. \u003ci\u003eExperience precise testing for your collection—order the Presidium Multi Tester today.\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545500950590,"sku":"DIA-510.50","price":299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/dia-510.50_1.jpg?v=1759338264"},{"product_id":"mizar-diamond-tester","title":"Mizar Diamond Tester","description":"\u003cdiv\u003e\n\u003ch1\u003eMizar Diamond Tester\u003c\/h1\u003e\n\u003cp\u003eIntroducing the Mizar Diamond Tester, a precise tool built for jewelers and enthusiasts alike. This device features both automatic and manual modes with advanced testing capabilities to identify diamonds, CZ, and other stones such as sapphires. Its reliable readings help you confidently verify gemstones on the go.\u003c\/p\u003e \u003cp\u003eWhether you’re a professional jeweler or a curious collector, the Mizar Diamond Tester delivers dependable results in minutes. The dual-mode operation lets you switch from rapid screening to precise confirmation, saving time and reducing guesswork. Compatible with diamonds, cubic zirconia (CZ), sapphires, and other common gemstones, it’s a versatile addition to any testing toolkit. Designed for portability and ease of use, this handheld tester travels from shop floor to showroom with ease.\u003c\/p\u003e \u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDual testing modes: automatic for quick screening and manual for detailed verification\u003c\/li\u003e \u003cli\u003eAccurately identifies diamonds, CZ, sapphires, and other gemstones\u003c\/li\u003e \u003cli\u003eFast, reliable readings with an intuitive interface\u003c\/li\u003e \u003cli\u003eCompact, handheld design ideal for in-store, bench testing, or on-site checks\u003c\/li\u003e \u003cli\u003eBuilt for everyday use with durable construction\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eReady to verify stones with confidence? Add to cart today to upgrade your gemstone testing toolkit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545500983358,"sku":"DIA-600.00","price":105.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/dia-600.00_1.jpg?v=1758501229"},{"product_id":"presidium-gem-tester-pgt-ii","title":"Presidium Gem Tester - PGT II","description":"\u003cdiv\u003e\n\u003ch1\u003ePresidium Gem Tester PGT II\u003c\/h1\u003e\n\u003cp\u003ePresidium Gem Tester PGT II is a compact, sturdy, portable gem tester designed to quickly identify diamonds and moissanite. This redesigned tool fits comfortably in a pocket or toolkit, delivering fast, reliable results whether you’re in a shop, at the bench, or on the go.\u003c\/p\u003e \u003cp\u003eBuilt for accuracy, the PGT II delivers crisp, dependable gem identification with minimal training. It serves as a trusted diamond tester and moissanite tester for jewelers, appraisers, students, and hobbyists who need fast confirmation in any setting.\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePocket-sized, pocket-friendly design for easy transport\u003c\/li\u003e \u003cli\u003eFast results with clear pass\/fail-style indications\u003c\/li\u003e \u003cli\u003eDurable, rugged build built to withstand daily use\u003c\/li\u003e \u003cli\u003eSimple operation offers quick setup and intuitive testing\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFrom inventory checks to appraisals and classroom demonstrations, this compact device makes on-site verification effortless. Durable construction, straightforward operation, and rapid results help you streamline workflows and boost confidence in every gem judgment.\u003c\/p\u003e \u003cp\u003eOrder yours today and elevate your gem verification on the go.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545501048894,"sku":"DIA-510.30","price":299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/dia-510.30_newlyrevisedmodel_01.jpg?v=1759338391"},{"product_id":"diamondite-dual-tester","title":"Diamondite Dual Tester","description":"\u003cdiv\u003e\n\u003ch1\u003eDiamondite Dual Tester\u003c\/h1\u003e\n\u003cp\u003eDiamondite Dual Tester is your go-to tool for instantly verifying gem identity—non-diamond, synthetic Moissanite, or genuine diamond—with one-touch accuracy. Built for speed and reliability, this compact device delivers an eight-second warm-up and a one-second recovery between tests, so you get fast, dependable results every time. Perfect for jewelers, appraisers, and gem enthusiasts, it simplifies stone verification without guesswork.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eOne-touch accuracy\u003c\/b\u003e for quick, decisive results on diamonds and Moissanites.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eEight-second warm-up\u003c\/b\u003e minimizes downtime and speeds testing.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOne-second recovery\u003c\/b\u003e between tests for high-throughput screening.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMulti-stone detection\u003c\/b\u003e identifies genuine diamonds, synthetic Moissanite, and non-diamond stones.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePortable and user-friendly\u003c\/b\u003e design fits in any workbench or display case.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKeep your inventory authentic with a trusted \u003ci\u003ediamond tester\u003c\/i\u003e that confidently distinguishes real diamonds from synthetic Moissanite and other simulants. This \u003ci\u003eMoissanite tester\u003c\/i\u003e and non-diamond verifier is a must-have \u003ci\u003egem testing device\u003c\/i\u003e for clarity, consistency, and customer trust.\u003c\/p\u003e \u003cp\u003eReady to upgrade your verification workflow? Add to cart today and verify stones with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545501081662,"sku":"DIA-650.00","price":228.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/dia-650.00_1.jpg?v=1759338244"},{"product_id":"presidium-diamondmate-tester","title":"Presidium Diamondmate Tester","description":"\u003cdiv\u003e\n\u003ch1\u003ePresidium Diamondmate Tester\u003c\/h1\u003e\n\u003cp\u003eThe Presidium Diamondmate Tester is a pocket-sized diamond tester designed for quick, reliable verification anywhere you work. Built around a proven thermal conductivity testing method, it instantly confirms the authenticity of diamonds, delivering clear results when you need them most.\u003c\/p\u003e \u003cp\u003eDesigned for gemologists, jewelers, and hobbyists, this handheld device offers dependable performance in a compact package, making it a trusted addition to any toolkit.\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePocket-sized, handheld design for on-the-go use\u003c\/li\u003e \u003cli\u003eUses proven thermal conductivity testing to verify diamonds\u003c\/li\u003e \u003cli\u003eInstinctive results you can trust in seconds\u003c\/li\u003e \u003cli\u003eIdeal for showrooms, workshops, and field inspections\u003c\/li\u003e \u003cli\u003eCompact, lightweight tool that fits in a vest pocket or purse\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you're checking loose stones or evaluating set jewelry, this tester provides quick, reliable verification without guesswork. It complements your gemology toolkit and helps protect your reputation by confirming genuine diamonds with confidence.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eShop with confidence today\u003c\/b\u003e and add the Presidium Diamondmate Tester to your workflow.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545501114430,"sku":"DIA-510.20","price":134.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/dia-510.20_1.jpg?v=1759338518"},{"product_id":"diamond-detective","title":"Diamond Detective","description":"\u003cdiv\u003e\n\u003ch1\u003eDiamond Detective\u003c\/h1\u003e\n\u003cp\u003e\u003cb\u003eDiamond Detective\u003c\/b\u003e is a precise, fast diamond tester designed to verify stones in rapid succession. This reliable tool helps jewelers, appraisers, and hobbyists distinguish real diamonds from impostors with confidence, making it the go-to instrument for quick gemology checks.\u003c\/p\u003e\n\u003cp\u003eEngineered for speed and accuracy, Diamond Detective delivers consistent results across a range of stone sizes. Its metal alert emits a long beep when a test is complete, giving a clear signal even in busy environments. The compact, hand-held design fits easily in a pocket or workstation, reducing downtime and improving workflow for shops and field testing alike.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRapid verification of multiple stones\u003c\/li\u003e\n\u003cli\u003eMetal alert beep signals completion\u003c\/li\u003e\n\u003cli\u003eSimple, reliable operation for professionals and hobbyists\u003c\/li\u003e\n\u003cli\u003ePortable, hand-held design for on-the-go testing\u003c\/li\u003e\n\u003cli\u003eClear differentiation between real diamonds and impostors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn addition to confirming authenticity, this diamond tester supports educators and hobbyists by providing dependable feedback during practice sessions. With clear indicators and minimal setup, it accelerates training and verification processes.\u003c\/p\u003e\n\u003cp\u003eDiscover Diamond Detective today and elevate your diamond testing with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545501376574,"sku":"DIA-620.00","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/dia-620.00_1.jpg?v=1759338169"},{"product_id":"diamondite-tester-w-power-cord-adaptor","title":"Diamondite Tester w\/ Power Cord Adaptor","description":"\u003cdiv\u003e\n\u003ch1\u003eDiamondite Tester w\/ Power Cord Adaptor\u003c\/h1\u003e\n\u003cp\u003eMeet the Diamondite Tester w\/ Power Cord Adaptor — a precise gem tester designed to quickly verify whether a stone is a non-diamond, synthetic Moissanite, or a genuine diamond. This diamond tester delivers reliable genuine diamond verification with a simple, intuitive interface that streamlines gem assessment for jewelers, appraisers, and enthusiasts.\u003c\/p\u003e\n\u003cp\u003eDesigned for accuracy, this tester uses established conductivity and characteristic testing to distinguish real diamonds from Moissanite and other simulants. Its lightweight build and power cord adaptor ensure you can set up testing stations anywhere in your workshop, showroom, or on-site.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAccurate identification\u003c\/b\u003e of real diamonds, synthetic Moissanite, and simulants for fast decisions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eClear results\u003c\/b\u003e with dependable readings, ideal for shop and appraisal work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower Cord Adaptor\u003c\/b\u003e included for easy setup and continuous testing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePortable and durable\u003c\/b\u003e design for on-site or bench use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUser-friendly interface\u003c\/b\u003e reduces training time and errors in gem verification.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eShop with confidence today.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545501573182,"sku":"DIA-651.00","price":263.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/dia-651.00_1.jpg?v=1759338186"},{"product_id":"presidium-dial-gauge","title":"Presidium Dial Gauge","description":"\u003cdiv\u003e\n\u003ch1\u003ePresidium Dial Gauge\u003c\/h1\u003e\n\u003cp\u003eThe Presidium Dial Gauge is your essential tool for precise gemstone measurement, delivering millimeter readouts and instant carat conversion for confident grading. Designed to measure gemstones with a 0.0–23 mm range and 0.1 mm accuracy, it works on loose stones or mounted gems.\u003c\/p\u003e\n\u003cp\u003eThis compact, reliable instrument streamlines gemstone measurement, giving you clear millimeter readouts and quick carat conversions to support accurate grading decisions. It fits seamlessly into any gemology workflow and doubles as a dependable gemology accessory for both loose stones and mounted gems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.0–23 mm measurement range for a wide variety of gemstones\u003c\/li\u003e\n\u003cli\u003e0.1 mm precision for repeatable, accurate results\u003c\/li\u003e\n\u003cli\u003eInstant carat conversion to simplify grading decisions\u003c\/li\u003e\n\u003cli\u003eSuitable for loose stones and mounted gems\u003c\/li\u003e\n\u003cli\u003eCompact, durable design with a clear, easy-to-read dial\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIdeal for jewelers, appraisers, and gemologists seeking consistent, confident measurements that speed up evaluations. Add the Presidium Dial Gauge to your toolkit today and elevate your gemstone assessments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545525657662,"sku":"GAU-196.00","price":199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/gau-196.00.jpg?v=1759339784"},{"product_id":"presidium-electronic-gauge","title":"Presidium Electronic Gauge","description":"\u003cdiv\u003e\n\u003ch1\u003ePresidium Electronic Gauge\u003c\/h1\u003e\n\u003cp\u003eThe Presidium Electronic Gauge speeds up diamond and gemstone measuring with a high-tech digital display that reduces eye fatigue during long sessions, enabling consistent, repeatable readings when you’re assessing multiple stones. This digital gem measurement tool delivers fast, accurate results for professionals and hobbyists alike, empowering you to verify measurements with confidence in busy workflows. It is designed to deliver clear, reliable readings under varied lighting, helping you maintain accuracy across stones and over time. The bright, easily readable display minimizes eye strain and supports you in completing routine checks and more detailed assessments with ease. Built for reliability, this gauge streamlines your measurement process and provides dependable performance across projects. This makes it a valuable addition to settings where precision matters.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eHigh-tech digital display for fast diamond and gemstone readings\u003c\/li\u003e \u003cli\u003eReduces eye fatigue during long measuring sessions\u003c\/li\u003e \u003cli\u003eFast, accurate results for professionals and hobbyists\u003c\/li\u003e \u003cli\u003eDesigned to deliver clear, repeatable measurements every time\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eElevate your gem measurement workflow with the Presidium Electronic Gauge and experience dependable performance. 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This compact precision scale provides reliable performance for jewelry makers, gemologists, and labs, delivering fast, stable readings in minutes.\u003c\/p\u003e \u003cp\u003eWith support for multiple units—\u003cb\u003egram\u003c\/b\u003e, \u003cb\u003ecarat\u003c\/b\u003e, \u003cb\u003etroy ounce\u003c\/b\u003e, and \u003cb\u003egrain\u003c\/b\u003e—it adapts to diverse weighing tasks from gemstone sizing to small-weight audits. The \u003cb\u003eSurface Mount Technology\u003c\/b\u003e (SMT) design minimizes drift and power use, while the included tare and auto-zero functions simplify repetitive measurements. A clear, high-contrast display offers quick readings, and the scale’s compact platform fits neatly on crowded benches, carts, or travel kits, making it ideal for fieldwork and shop floors alike.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHigh-precision measurement up to 100 carats (20 g)\u003c\/li\u003e \u003cli\u003eSMT-based circuitry for fast stabilization and reliability\u003c\/li\u003e \u003cli\u003eMultiple modes: Gram, Carat, Troy Ounce, Grain\u003c\/li\u003e \u003cli\u003eCompact, portable design with an easy-to-read display\u003c\/li\u003e \u003cli\u003eAuto-calibration and overload protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade your precision today—add the \u003cb\u003e100 Carat Presidium Scale\u003c\/b\u003e to your toolkit and weigh with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545567141950,"sku":"SCL-381.00","price":222.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/scl-381.00_2.jpg?v=1759341190"},{"product_id":"2-1-2-x-1-1-2-x-1-4-natural-testing-stone","title":"2-1\/2\" x 1-1\/2\" x 1\/4\" Natural Testing Stone - DISCONTINUED","description":"\u003cdiv\u003e\n\u003ch1\u003eNatural Testing Stone for Accurate Karat Testing\u003c\/h1\u003e\n\u003cp\u003eThe Natural Testing Stone is a genuine Arkansas test stone designed to help you determine the karat value of your materials with accuracy. This 2-1\/2\" x 1-1\/2\" x 1\/4\" size is ideal for jewelry makers, gemologists, and metalworkers, delivering reliable results when used with testing solutions and needles.\u003c\/p\u003e \u003cp\u003eEngineered for durability and consistency, this natural Arkansas stone delivers a clean, smooth surface that reveals results quickly and reliably. It works seamlessly with common testing solutions and is compatible with standard testing needles for quick karat checks.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize:\u003c\/b\u003e 2-1\/2\" x 1-1\/2\" x 1\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Genuine natural Arkansas stone\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Ideal for testing karat value of metals and jewelry\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurability:\u003c\/b\u003e Hardwearing surface for repeated use\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCondition:\u003c\/b\u003e DISCONTINUED — limited availability\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re expanding your inspection toolkit or performing on-demand tests in the workshop, this stone helps streamline your workflow with consistent results. Add this natural testing stone to your collection today and enhance your precision.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545579298878,"sku":"STN-714.00","price":28.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/stn-714.00_1.jpg?v=1759341293"},{"product_id":"2-1-2-x-1-1-2-x-1-4-nature-river-danube-testing-stone","title":"2-1\/2\" x 1-1\/2\" x 1\/4\" Nature River Danube Testing Stone","description":"\u003cdiv\u003e\n\u003ch1\u003eNature River Danube Testing Stone\u003c\/h1\u003e\n\u003cp\u003eThe Nature River Danube Testing Stone (2-1\/2\" x 1-1\/2\" x 1\/4\") offers reliable karat testing for jewelry and precious metals. Natural test stones work well with testing solutions and needles to determine the karat value of your materials.\u003c\/p\u003e\n\u003cp\u003eCrafted from a natural river stone sourced near the Danube, this stone delivers durable, repeatable surface results that stand up to frequent use in both home studios and professional workshops. Its compact size makes it easy to carry in a kit without sacrificing performance.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 2-1\/2\" x 1-1\/2\" x 1\/4\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNatural material:\u003c\/b\u003e durable surface designed for consistent karat testing\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e ideal for use with testing solutions and needles to determine karat value\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVersatility:\u003c\/b\u003e suitable for gold testing, silver testing, and other precious metals in at-home or professional settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTo get the most accurate results, follow standard testing procedures and compare your outcomes against known reference samples. This testing stone supports reliable jewelry inspection and quality control, helping you confirm karat value quickly and confidently.\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eOrder today to start precise karat testing with confidence.\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545579364414,"sku":"STN-718.00","price":12.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/stn-718.00_3.jpg?v=1759341413"},{"product_id":"2-x-1-1-2-black-glass-test-stone-economy","title":"2\" x 1-1\/2\" Black Glass Test Stone (Economy)","description":"\u003cdiv\u003e\n\u003ch1\u003eBlack Glass Test Stone (Economy) — 2\" x 1-1\/2\"\u003c\/h1\u003e\n\u003cp\u003eThe Black Glass Test Stone (Economy) is essential for accurately determining the karat value of your materials. Designed to pair with common testing solutions and needles, this stone delivers reliable, repeatable results for gold testing and jewelry appraisal. Its compact 2\" x 1-1\/2\" size is ideal for tight bench setups and portable use.\u003c\/p\u003e\n\u003cp\u003eBuilt for everyday labs, this non-porous surface cleans easily and resists staining, ensuring consistent performance across a range of acids and testing liquids. Use it with ordinary testing solutions to verify karat values with confidence.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eSize \u0026amp; Material:\u003c\/b\u003e 2\" x 1-1\/2\" black glass surface, economy grade\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e Works with standard testing solutions and karat needles\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePerformance:\u003c\/b\u003e Non-porous, easy to clean, delivers consistent results\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIdeal For:\u003c\/b\u003e Gold testing, jewelry appraisal, karat value determination\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eValue:\u003c\/b\u003e Budget-friendly option that doesn't compromise reliability\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade your toolkit with this practical Black Glass Test Stone and experience precise karat testing in every assay. \u003cb\u003eShop now\u003c\/b\u003e to streamline your testing workflow.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545579397182,"sku":"STN-720.00","price":3.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/stn-720.00_1.jpg?v=1759341482"},{"product_id":"6-x-3-x-3-8-natural-testing-stone-w-wooden-box","title":"6\" x 3\" x 3\/8\" Natural Testing Stone w\/ Wooden Box","description":"\u003cdiv\u003e\n\u003ch1\u003eNatural Testing Stone with Wooden Box (6\" x 3\" x 3\/8\")\u003c\/h1\u003e\n\u003cp\u003eOur Natural Testing Stone is designed to help determine the karat value of silver, gold, and platinum. The large surface—6\" x 3\" x 3\/8\"—provides ample testing area for quick, repeatable results, making it a trusted tool for jewelers, pawn shops, and hobbyists. Built for accuracy and ease of use, this durable stone ships with a protective wooden box for safe storage between tests.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eLarge testing surface:\u003c\/b\u003e 6\" x 3\" x 3\/8\" for fast, repeatable results.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMulti-metal testing:\u003c\/b\u003e accurately assess karat value in silver, gold, and platinum.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncludes wooden box:\u003c\/b\u003e keeps the stone protected and portable.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurable and precise:\u003c\/b\u003e designed for regular use with reliable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eEasy to clean and maintain:\u003c\/b\u003e simple care for long-lasting accuracy.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEnhance your jewelry lab or at-home toolkit with this essential testing stone. Add to your toolkit today to start achieving precise, repeatable results in silver testing, gold testing, and platinum testing.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545579462718,"sku":"STN-722.00","price":41.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/stn-722.00.jpg?v=1758721252"},{"product_id":"6-x-3-glass-testing-stone-w-non-slip-grip","title":"6\" x 3\" Glass Testing Stone w\/ Non-Slip Grip - DISCONTINUED","description":"\u003cdiv\u003e\n\u003ch1\u003eGlass Testing Stone — 6\" x 3\" with Non-Slip Grip\u003c\/h1\u003e\n\u003cp\u003eThis \u003cb\u003eglass testing stone\u003c\/b\u003e is a durable 6\" x 3\" surface designed for precise \u003cb\u003ekarat testing\u003c\/b\u003e with solutions and \u003cb\u003etest needles\u003c\/b\u003e. The black glass-like finish provides a stable platform and a \u003cb\u003enon-slip grip\u003c\/b\u003e for secure use in labs, workshops, or jewelry studios.\u003c\/p\u003e \u003cp\u003ePerfect for jewelry studios, educational labs, and serious hobbyists, this surface delivers reliable results with every test. Its rugged construction resists heat and chemicals, while the \u003cb\u003enon-slip back\u003c\/b\u003e keeps the stone firmly in place on damp benches. The 6\" x 3\" size balances value and convenience for daily workflows.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003e6\" x 3\" size\u003c\/b\u003e delivers value and convenience for everyday testing\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNon-slip back\u003c\/b\u003e keeps the stone securely in place during measurements\u003c\/li\u003e \u003cli\u003eDurable black surface resists staining and cleans easily\u003c\/li\u003e \u003cli\u003eIdeal for determining \u003cb\u003ekarat value\u003c\/b\u003e with standard \u003cb\u003esolutions\u003c\/b\u003e and \u003cb\u003etest needles\u003c\/b\u003e\n\u003c\/li\u003e \u003cli\u003eLightweight and portable for on-the-go testing\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNote: This item is discontinued, but it remains a dependable testing surface for established setups. Add to your order today to secure a ready-to-use solution.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545579495486,"sku":"STN-727.00","price":21.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/stn-727.00.jpg?v=1759341351"},{"product_id":"2-x-1-1-2-x-1-4-natural-testing-stone","title":"2\" x 1-1\/2\" x 1\/4\" Natural Testing Stone - DISCONTINUED","description":"\u003cdiv\u003e\n\u003ch1\u003e2\" x 1-1\/2\" x 1\/4\" Natural Testing Stone - DISCONTINUED\u003c\/h1\u003e\n\u003cp\u003eDiscover the Natural Arkansas testing stone, a genuine tool trusted by jewelers for precise karat value testing. This 2\" x 1-1\/2\" x 1\/4\" natural stone works with testing solutions and needles to determine the karat value of your materials.\u003c\/p\u003e\n\u003cp\u003eAs a genuine natural Arkansas stone, it delivers dependable performance with a fine grain that reveals clean impressions when used with test solutions. The compact size fits a standard testing kit, and its natural composition helps produce consistent results across karat values. This item is discontinued.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e: 2\" x 1-1\/2\" x 1\/4\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: Genuine natural Arkansas stone\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUse\u003c\/b\u003e: Compatible with testing solutions and needles to determine karat value\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAvailability\u003c\/b\u003e: DISCONTINUED item\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCare\u003c\/b\u003e: Keep dry, clean, and away from acids for best results\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIdeal for gold testing, karat checks, and metal authentication, this stone provides a reliable base for your workflow. Pair with standard testing solutions and needles to ensure accurate readings.\u003c\/p\u003e\n\u003cp\u003eEnhance your toolkit today—add this trusted Arkansas stone to your collection while supplies last.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545579593790,"sku":"STN-713.00","price":25.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/stn-713.00_1.jpg?v=1759341445"},{"product_id":"10k-gold-testing-acid","title":"10K Gold Testing Acid - DISCONTINUED","description":"\u003cdiv\u003e\n\u003ch1\u003e10K Gold Testing Acid\u003c\/h1\u003e\n\u003cp\u003e\u003cb\u003e10K Gold Testing Acid\u003c\/b\u003e is a precise tool for verifying gold karat quality in jewelry and coins. \u003cb\u003e10K Gold Testing Acid\u003c\/b\u003e comes in sturdy plastic bottles designed for safety and accuracy. Each bottle features an internal baffle to prevent leaks and maximize safety, while the built-in dropper lets you dispense only the amount you need for testing. With just a single tiny drop, you can perform hundreds of tests, helping you build a reliable gold testing kit for quick assessments.\u003c\/p\u003e\n\u003cp\u003eHighlights include a leak-resistant container, clear labeling, and a compact, portable form that makes it ideal for on-the-go jewelry testing. This product is part of a comprehensive jewelry testing acid line, compatible with standard karat testing procedures.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eInternal baffle to prevent leaks and maximize safety\u003c\/li\u003e \u003cli\u003ePrecisely drop the needed amount with the built-in dropper\u003c\/li\u003e \u003cli\u003eSmall drop yields hundreds of tests per bottle\u003c\/li\u003e \u003cli\u003eSturdy plastic bottle with clear safety design\u003c\/li\u003e \u003cli\u003eContains 12 gr per bottle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your inspection process today—add to cart for fast, accurate gold verification and confidence in every assessment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545579659326,"sku":"TES-110.00","price":4.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-110.00_1.jpg?v=1759341392"},{"product_id":"2-x-4-x-1-4-nature-river-danube-testing-stone","title":"2\" x 4\" x 1\/4\" Nature River Danube Testing Stone","description":"\u003cdiv\u003e\n\u003ch1\u003e2\" x 4\" x 1\/4\" Nature River Danube Testing Stone\u003c\/h1\u003e\n\u003cp\u003eNature River Danube Testing Stone is your trusted tool for accurately determining karat values using standard testing solutions and needles. These natural test stones are trusted by jewelers for consistent, professional results in jewelry testing and alloy verification.\u003c\/p\u003e\n\u003cp\u003eMeasuring 2\" x 4\" x 1\/4\", this natural stone fits easily in busy workspaces while providing a durable, reliable surface for testing solutions, needles, and other testing tools. Designed for regular use, it helps ensure accurate karat value readings across metals and finishes.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eSize and shape: 2\" x 4\" x 1\/4\" for easy handling and consistent results.\u003c\/li\u003e \u003cli\u003eNatural stone composition offers a stable surface for jewelry testing and karat value determinations.\u003c\/li\u003e \u003cli\u003eCompatible with common testing solutions and needles for quick, repeatable results.\u003c\/li\u003e \u003cli\u003eDurable, wear-resistant surface designed for repeated use in workshops and labs.\u003c\/li\u003e \u003cli\u003eIdeal for hobbyists and professionals performing metal testing and alloy verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEnhance your metal testing accuracy today with this dependable Nature River Danube Testing Stone. Ready to improve your testing workflow? Add to cart today and elevate your results.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545579724862,"sku":"STN-719.00","price":17.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/stn-719.00_1.jpg?v=1759341484"},{"product_id":"6-x-4-x-3-8-natural-testing-stone","title":"6\" x 4\" x 3\/8\" Natural Testing Stone","description":"\u003cdiv\u003e\n\u003ch1\u003e6\" x 4\" x 3\/8\" Natural Testing Stone\u003c\/h1\u003e\n\u003cp\u003eDiscover the 6\" x 4\" x 3\/8\" Natural Testing Stone, a robust natural testing stone designed for accurate karat verification. This large stone offers exceptional value and convenience for testing jewelry and precious metals. Use this stone with testing solutions and test needles to determine the karat value of your articles. Whether in a professional lab or home workshop, its generous dimensions support steady handling and consistent results.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLarge surface area provides stable handling and efficient testing\u003c\/li\u003e\n\u003cli\u003eIdeal for carat and karat testing across gold, platinum, and alloys\u003c\/li\u003e\n\u003cli\u003eCompatible with standard acid testing solutions and test needles\u003c\/li\u003e\n\u003cli\u003eDurable natural stone for long-lasting performance\u003c\/li\u003e\n\u003cli\u003eEasy to clean and maintain between tests\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEnhance your bench setup with a reliable, portable testing stone that helps you deliver precise readings every time with minimal effort. Add to cart today to simplify your karat verification workflow.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545579757630,"sku":"STN-726.00","price":34.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/stn-726.00.jpg?v=1759341488"},{"product_id":"14k-gold-testing-acid","title":"14K Gold Testing Acid - DISCONTINUED","description":"\u003cdiv\u003e\n\u003ch1\u003e14K Gold Testing Acid - DISCONTINUED\u003c\/h1\u003e\n\u003cp\u003e14K Gold Testing Acid delivers quick, reliable verification of gold purity for jewelers, appraisers, and hobbyists. This 14K gold testing acid comes in sturdy plastic bottles with an internal baffle to prevent leaks and maximize safety. A tiny drop is all you need, allowing you to perform hundreds of tests from every bottle. Each bottle contains 12 g of testing acid.\u003c\/p\u003e \u003cp\u003eKey features and benefits:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eLeak-resistant bottle\u003c\/b\u003e with an internal baffle to prevent spills and maximize safety.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePrecise drop control\u003c\/b\u003e lets you use only the amount you need for accurate results.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eEconomical testing\u003c\/b\u003e — hundreds of tests per bottle.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eReliable gold verification\u003c\/b\u003e specifically for 14K gold.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIdeal for jewelry verification\u003c\/b\u003e in stores, labs, and at-home testing kits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNote: This item is discontinued. If you’re seeking similar accuracy, browse our gold testing kits for updated options and replacements.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eShop now\u003c\/b\u003e to secure this dependable testing solution or explore our catalog for suitable alternatives that keep your jewelry testing workflow efficient.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545579790398,"sku":"TES-114.00","price":4.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-114.00_1.jpg?v=1759341636"},{"product_id":"platinum-testing-acid","title":"Platinum Testing Acid - DISCONTINUED","description":"\u003cdiv\u003e\n\u003ch1\u003ePlatinum Testing Acid - DISCONTINUED\u003c\/h1\u003e\n\u003cp\u003ePlatinum Testing Acid is designed for reliable acid testing. This discontinued product comes in a sturdy plastic bottle with an internal baffle to prevent leaks and maximize safety. The precise drop control lets you dispense only the amount you need, and because only a small drop is required, you’ll get hundreds of tests from each bottle. Each bottle contains 12 gr.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eLeak-preventing baffle:\u003c\/b\u003e internal baffle helps prevent leaks and maximize safety.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePrecise dispensing:\u003c\/b\u003e you can drop exactly the amount needed.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eEconomical testing:\u003c\/b\u003e a tiny drop yields hundreds of tests from each bottle.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurable, compact bottle:\u003c\/b\u003e sturdy plastic container built for safety.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eClear contents:\u003c\/b\u003e 12 gr per bottle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: This item is discontinued. If you need alternatives, explore compatible options to maintain your testing workflow. \u003ci\u003eAdd to cart\u003c\/i\u003e to keep your procedures precise and ready for your next batch.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545579823166,"sku":"TES-132.00","price":4.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-132.00.jpg?v=1759341337"},{"product_id":"18k-gold-testing-acid","title":"18K Gold Testing Acid - DISCONTINUED","description":"\u003cdiv\u003e\n\u003ch1\u003e18K Gold Testing Acid — Discontinued\u003c\/h1\u003e\n\u003cp\u003eThe 18K Gold Testing Acid delivers precise karat verification for 18K gold. This \u003cb\u003e18K Gold Testing Acid\u003c\/b\u003e kit is designed for professional use and comes in sturdy plastic bottles with an internal baffle to prevent leaks and maximize safety, so you can test with confidence.\u003c\/p\u003e\n\u003cp\u003eOnly a small drop is needed, giving you hundreds of tests per bottle. Each bottle contains \u003cb\u003e12 gr\u003c\/b\u003e of testing acid, ensuring long-lasting use for jewelers, pawnbrokers, and metal appraisers who demand accuracy.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eLeak-safe bottle with an internal baffle to prevent spills.\u003c\/li\u003e\n\u003cli\u003ePrecise drop dosing for consistent, repeatable results.\u003c\/li\u003e\n\u003cli\u003eReliable karat testing capability for 18K and other alloys.\u003c\/li\u003e\n\u003cli\u003eEconomical with hundreds of tests per bottle.\u003c\/li\u003e\n\u003cli\u003eCompact, portable design ideal for shop or on-site use.\u003c\/li\u003e\n\u003cli\u003eEasy storage in a compact bottle for on-the-go sampling.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis item is discontinued; explore compatible replacement options in our catalog to stay prepared.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545579855934,"sku":"TES-118.00","price":4.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-118.00.jpg?v=1759341543"},{"product_id":"m-24-mizar-gold-karat-tester-set","title":"M-24 Mizar Gold Karat Tester Set","description":"\u003cdiv\u003e\n\u003ch1\u003eM-24 Mizar Gold Karat Tester Set\u003c\/h1\u003e\n\u003cp\u003eThe M-24 Mizar Gold Karat Tester Set is a precision gold testing kit designed for jewelers and collectors who demand accuracy. It identifies karats from 9K to 24K and tests all colored gold alloys, providing clear results in seconds. This non-destructive tester delivers reliable, repeatable readings that you can trust at a glance, making it an essential tool for labs, shops, and personal collections.\u003c\/p\u003e \u003ch2\u003eWhat makes it stand out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eIdentifies karats from 9K to 24K\u003c\/b\u003e with quick, color-stable readings.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eTests all colored gold alloys\u003c\/b\u003e, including rose, white, and green gold.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNon-destructive testing\u003c\/b\u003e preserves the value and integrity of samples.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFast results\u003c\/b\u003e in seconds for efficient bench work.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompact, portable design\u003c\/b\u003e for on-site testing and jewelry counters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re a professional jeweler or a dedicated collector, this kit offers precision, versatility, and peace of mind. Add the M-24 Mizar Gold Karat Tester Set to your toolkit and ensure every karat reading is accurate. \u003cb\u003eShop now\u003c\/b\u003e and elevate your gold verification process.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545579921470,"sku":"TES-170.00","price":219.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-170.00_1_2.jpg?v=1758908515"},{"product_id":"m-18-a9-gold-tester","title":"M-18-A9 Gold Tester","description":"\u003cdiv\u003e\n\u003ch1\u003eM-18-A9 Gold Tester\u003c\/h1\u003e\n\u003cp\u003eThe M-18-A9 Gold Tester offers precise karat values for gold, reliably identifying 9K, 10K, 12K, and 18K. This portable, battery-operated device provides fast, at-a-glance authentication, helping you verify gold authenticity wherever you are.\u003c\/p\u003e\n\u003cp\u003eDesigned for jewelers, collectors, and pawn shops, it distinguishes gold flash and gold plate from solid gold, so you can avoid fakes and misrepresented pieces. Its compact handheld design fits easily in a pocket or toolkit, making professional-grade testing accessible on-site.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAccurate karat testing:\u003c\/b\u003e reads 9K\/10K\/12K\/18K with clear results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePortable and battery-powered:\u003c\/b\u003e test anywhere without a power source.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDetects gold plating:\u003c\/b\u003e distinguishes flash or plate from solid gold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUser-friendly:\u003c\/b\u003e quick readings reduce guesswork for buyers and sellers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReliable performance:\u003c\/b\u003e built for daily use in busy environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eProtect your reputation and verify each piece with confidence. Add the M-18-A9 Gold Tester to your toolkit today.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545579954238,"sku":"TES-172.00","price":189.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-172.00_2.jpg?v=1759341248"},{"product_id":"chemical-kit-for-the-m-24-gold-tester-testing-solution-no-1995","title":"Chemical Kit for the M-24 Gold Tester Testing Solution No. 1995","description":"\u003cdiv\u003e\n\u003ch1\u003eChemical Kit for the M-24 Gold Tester Testing Solution No. 1995\u003c\/h1\u003e\n\u003cp\u003eThe Chemical Kit for the M-24 Gold Tester Testing Solution No. 1995 is designed to replace the testing chemicals for the M-24 Mizar Gold Tester (Part TES-170.00). Use authentic replacement solutions from our store to maintain calibration and accuracy in every test. This kit helps technicians and hobbyists keep their gold assessment consistent, with a straightforward setup that minimizes downtime.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eCompatible with the M-24 Mizar Gold Tester (Part TES-170.00)\u003c\/li\u003e\n\u003cli\u003eIncludes essential testing solution designed for the No. 1995 reference\u003c\/li\u003e\n\u003cli\u003ePromotes accurate, repeatable results during routine testing\u003c\/li\u003e\n\u003cli\u003eFormulated for safe handling and straightforward replacement\u003c\/li\u003e\n\u003cli\u003eIdeal for technicians and hobbyists managing regular gold testing\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractice general safety while using this product; avoid inhalation and eye contact. Please keep out of reach of children. For best results, replace according to your tester's maintenance schedule and refer to the product manual.\u003c\/p\u003e \u003cp\u003eOrder today to keep your M-24 Gold Tester delivering reliable readings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545579987006,"sku":"TES-170.10","price":25.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-170.10_1.jpg?v=1757956116"},{"product_id":"et-18-mizar-gold-tester","title":"ET-18 Mizar Gold Karat Tester Set","description":"\u003cdiv\u003e\n\u003ch1\u003eET-18 Mizar Gold Karat Tester Set\u003c\/h1\u003e\n\u003cp\u003eMeet the ET-18 Mizar Gold Karat Tester Set, a pocket-sized, battery-operated \u003cb\u003egold karat tester\u003c\/b\u003e designed to quickly reveal karat values from \u003cb\u003e10K\u003c\/b\u003e, \u003cb\u003e14K\u003c\/b\u003e, and \u003cb\u003e18K\u003c\/b\u003e with precision. This compact tool fits in your pocket and delivers reliable, on-the-spot results for everyday jewelry testing, whether you're in a boutique, at a market stall, or at home. Think of it as your daily companion for verifying gold authenticity quickly, safely, and non-destructively.\u003c\/p\u003e \u003cp\u003eDesigned for reliability and ease of use, the ET-18 Mizar delivers fast, accurate readings with minimal sample. It’s a versatile \u003cb\u003ejewelry testing tool\u003c\/b\u003e for professionals, pawn shops, jewelers, and hobbyists alike, offering consistent readings without destructive testing. Its compact form fits in a pocket or apron, ensuring you’re always ready to verify karat values on the spot, without guessing.\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePocket-sized design that fits in your hand or pocket\u003c\/li\u003e \u003cli\u003eClear readouts for \u003cb\u003e10K\u003c\/b\u003e, \u003cb\u003e14K\u003c\/b\u003e, and \u003cb\u003e18K\u003c\/b\u003e karat values\u003c\/li\u003e \u003cli\u003eBattery-operated for on-the-go testing\u003c\/li\u003e \u003cli\u003eNon-destructive, quick results with minimal sample\u003c\/li\u003e \u003cli\u003eIdeal for jewelers, pawn shops, retailers, and hobbyists\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDiscover pocket-sized precision — order the ET-18 Mizar Gold Karat Tester Set today and test with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545580019774,"sku":"TES-174.00","price":109.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-174.00_newlyrevised_01_1.jpg?v=1757776989"},{"product_id":"silver-testing-acid","title":"Silver Testing Acid - DISCONTINUED","description":"\u003cdiv\u003e\n\u003ch1\u003eSilver Testing Acid\u003c\/h1\u003e\n\u003cp\u003eSilver Testing Acid delivers precise, safe silver testing for accurate metal analysis. This acid testing solution comes in sturdy plastic bottles with an internal baffle to prevent leaks and maximize safety. The design allows you to precisely drop the amount needed, and only a small drop is required, so you will get hundreds of tests out of each bottle!\u003c\/p\u003e\n\u003cp\u003eEach bottle contains 12 g of testing acid, optimized for consistent results and dependable lab-grade accuracy during silver testing. The leak-proof, drop-friendly bottle makes it a reliable choice for hobbyists and professionals alike, blending safety features with practical performance.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eLeak-resistant bottle\u003c\/b\u003e with an internal baffle to prevent leaks\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecise dropper\u003c\/b\u003e for accurate measurement with minimal waste\u003c\/li\u003e\n\u003cli\u003eOnly a small drop needed — hundreds of tests per bottle\u003c\/li\u003e\n\u003cli\u003eCompact 12 g bottle for easy storage and transport\u003c\/li\u003e\n\u003cli\u003eSuitable for silver testing acid applications and metal testing workflows\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEnhance your testing routine with a dependable silver testing acid that combines safety, precision, and value. \u003ci\u003eOrder now\u003c\/i\u003e to secure your supply while this item remains available.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545580052542,"sku":"TES-130.00","price":4.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-130.00.jpg?v=1759341662"},{"product_id":"chemical-kit-for-et-18-or-m-18-a9-gold-testers","title":"Chemical Kit for ET-18 or M-18-A9 Gold Testers","description":"\u003cdiv\u003e\n\u003ch1\u003eChemical Kit for ET-18 or M-18-A9 Gold Testers\u003c\/h1\u003e\n\u003cp\u003eThe \u003cb\u003eChemical Kit for ET-18 or M-18-A9 Gold Testers\u003c\/b\u003e delivers essential replacement chemicals for TES-172.00 and TES-174.00, ensuring reliable performance for ET-18 and M-18-A9 Mizar Gold Testers. This kit supports calibration, maintenance, and consistent, accurate results in every test. Compact packaging makes it easy to store beside your tester.\u003c\/p\u003e\n\u003cp\u003eDesigned for safe handling, the replacement chemical kit provides the right reagents to maintain accuracy and extend the life of your TES-172.00 and TES-174.00 modules. Please practice general safety, avoid inhalation and eye contact, and keep out of reach from children.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e Works with ET-18 and M-18-A9 Mizar Gold Testers (TES-172.00, TES-174.00).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eContents:\u003c\/b\u003e Essential reagents and buffers for routine tests.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePerformance:\u003c\/b\u003e Supports calibration, accuracy, and consistency in gold testing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSafety:\u003c\/b\u003e Clear handling guidelines to minimize exposure risks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStorage:\u003c\/b\u003e Follow label instructions to maximize shelf life and safety.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdd the Chemical Kit for ET-18 or M-18-A9 Gold Testers to your toolkit today to keep your tester ready for accurate results.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545580118078,"sku":"TES-172.10","price":22.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-172.10_1.jpg?v=1758894987"},{"product_id":"10k-14k-and-18k-gold-testing-needle-set","title":"10K, 14K, and 18K Gold Testing Needle Set","description":"\u003cdiv\u003e\n\u003ch1\u003eGold Testing Needle Set for 10K, 14K, and 18K Gold\u003c\/h1\u003e\n\u003cp\u003eGold Testing Needle Set for 10K, 14K, and 18K gold delivers precise karat verification for professional and hobbyist jewelers alike. This set uses testing stones and acid solutions to confirm purity quickly and reliably, helping you distinguish 10K, 14K, and 18K pieces with confidence. The included 10K, 14K, and 18K needles are securely mounted on a convenient ring for quick access during jewelry work, so you never miss a beat at the bench.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003ePrecise karat verification\u003c\/b\u003e across common gold standards (10K, 14K, 18K) with your testing stones and acids.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThree calibrated needles\u003c\/b\u003e mounted on a ring for fast access.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatible with testing stones and acid solutions\u003c\/b\u003e for reliable results.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompact, portable design\u003c\/b\u003e suited for workshops, jewelry studios, and on-site testing.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIdeal for jewelers, appraisers, and hobbyists\u003c\/b\u003e focused on accuracy.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade your toolkit with this Gold Testing Needle Set and verify gold purity with ease. \u003cb\u003eAdd to cart\u003c\/b\u003e today and elevate your quality control at the bench.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545580150846,"sku":"TES-803.00","price":60.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-803.00_1.jpg?v=1759341725"},{"product_id":"8k-10k-12k-14k-and-18k-gold-testing-needle-set","title":"8K, 10K, 12K, 14K, and 18K Gold Testing Needle Set","description":"\u003cdiv\u003e\n\u003ch1\u003e8K, 10K, 12K, 14K, and 18K Gold Testing Needle Set\u003c\/h1\u003e\n\u003cp\u003eThe 8K, 10K, 12K, 14K, and 18K Gold Testing Needle Set delivers precise karat identification when used with testing stones and acid solutions. This professional kit includes needles for 8K, 10K, 12K, 14K, and 18K gold, all stored on a convenient ring for quick access during jewelry testing. Designed for consistent results, it supports accurate assessments during professional appraisals, repairs, and sourcing, helping you verify gold purity with confidence.\u003c\/p\u003e \u003cp\u003eWhether you work in a shop, at a counter, or in a studio, this set streamlines testing workflows and keeps the right needle at hand for each karat range.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003ePrecise karat identification using standard testing stones and acid solutions\u003c\/li\u003e\n\u003cli\u003eIncludes 8K, 10K, 12K, 14K, and 18K needles for full-range testing\u003c\/li\u003e\n\u003cli\u003eRing-mounted design for fast access during inspections\u003c\/li\u003e\n\u003cli\u003eDurable, professional-grade construction for daily use\u003c\/li\u003e\n\u003cli\u003eIdeal for professional appraisals and jewelry testing workflows\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEnhance your lab or shop with this reliable testing needle set—discover confident testing today.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545580183614,"sku":"TES-805.00","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-805.00_1.jpg?v=1759341287"},{"product_id":"gold-test-kit-w-glass-bottles","title":"Gold Test Kit with Glass Storage Bottles","description":"\u003cdiv\u003e\n\u003ch1\u003eGold Test Kit with Glass Storage Bottles\u003c\/h1\u003e\n\u003cp\u003eThe \u003cb\u003eGold Test Kit with Glass Storage Bottles\u003c\/b\u003e delivers fast, accurate karat testing for 10K, 14K, and 18K gold. This complete gold testing kit is designed for professional jewelers, ensuring reliable results in your workshop.\u003c\/p\u003e \u003cp\u003eFeaturing three glass storage bottles, a testing stone, and three testing needles, this \u003cb\u003egold testing kit\u003c\/b\u003e provides all the essential tools you need for precise analysis. The kit’s durable components support regular use and help you verify karat content quickly.\u003c\/p\u003e \u003cp\u003eKey features include:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eFast, accurate karat testing for 10K, 14K, and 18K gold\u003c\/li\u003e \u003cli\u003eIncludes three glass storage bottles for safe, organized storage\u003c\/li\u003e \u003cli\u003eComes with a testing stone and three testing needles for reliable results\u003c\/li\u003e \u003cli\u003eDesigned for professional jewelers and shop workflows\u003c\/li\u003e \u003cli\u003eCompact, portable kit that fits into any workspace\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re appraising jewelry or validating scrap gold, this \u003cb\u003eGold Test Kit with Glass Storage Bottles\u003c\/b\u003e streamlines your testing process for confidence and efficiency. \u003ci\u003eUpgrade your toolkit today\u003c\/i\u003e and ensure precise gold verification in every assessment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545580216382,"sku":"TES-810.00","price":50.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-810.00_2.jpg?v=1759341303"},{"product_id":"5-compartment-gold-test-box","title":"5 Compartment Gold Test Box","description":"\u003cdiv\u003e\n\u003ch1\u003e5 Compartment Gold Test Box\u003c\/h1\u003e\n\u003cp\u003eThe 5 Compartment Gold Test Box provides a secure, organized home for your gold testing supplies. Crafted from hardwood, this compact box protects bottles, testing needles, and stones while keeping your kit neatly in one place. Perfect for shop desks, benches, or on-the-go testing.\u003c\/p\u003e\n\u003cp\u003eDesigned for reliability, its five individual compartments let you separate essential components, reducing mixups during testing. The hardwood construction delivers durability and a premium look, making it a welcome addition to any workstation—whether in a lab, workshop, or field kit.\u003c\/p\u003e\n\u003cp\u003eKey features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFive compartments\u003c\/b\u003e to store bottles, testing needles, and stones\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHardwood construction\u003c\/b\u003e for lasting durability and a refined appearance\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact dimensions\u003c\/b\u003e of 4-1\/4\" x 2-3\/4\" x 4\" for easy transport\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSecure, organized storage\u003c\/b\u003e to keep gold testing supplies ready at hand\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIdeal for professionals and hobbyists alike, this box helps streamline your workflow and protect delicate tools. Consider adding the 5 Compartment Gold Test Box to your toolkit and simplify your setup today.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545580249150,"sku":"TES-802.00","price":18.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-802.00_2.jpg?v=1759341267"},{"product_id":"8-compartment-gold-test-box","title":"8 Compartment Gold Test Box","description":"\u003cdiv\u003e\n\u003ch1\u003e8 Compartment Gold Test Box\u003c\/h1\u003e\n\u003cp\u003eIntroducing the \u003cb\u003e8 Compartment Gold Test Box\u003c\/b\u003e, the essential organizer for gold testing supplies. This \u003cb\u003ehardwood storage box\u003c\/b\u003e securely keeps bottles, testing needles, and stones all together, so your workflow stays clean and efficient. Designed for compact spaces, its dimensions of \u003cb\u003e7-1\/2\" x 3-1\/4\" x 4\"\u003c\/b\u003e fit neatly on a bench, in a drawer, or inside a safe.\u003c\/p\u003e\n\u003cp\u003eCrafted from premium hardwood, this box resists wear and keeps contents securely separated, reducing the risk of spills during transport. Whether you’re in a workshop or field setting, the sturdy construction provides dependable protection for delicate testing supplies.\u003c\/p\u003e\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eEight compartments\u003c\/b\u003e for organized storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable hardwood\u003c\/b\u003e construction for long-lasting use\u003c\/li\u003e\n\u003cli\u003eIdeal for bottles, \u003cb\u003etesting needles\u003c\/b\u003e, stones, and other testing accessories\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact footprint\u003c\/b\u003e with secure, easy-to-find storage\u003c\/li\u003e\n\u003cli\u003eLightweight and portable for on-site or shop use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep your gold testing supplies neatly organized and readily accessible. Elevate your precision and efficiency with the \u003cb\u003e8 Compartment Gold Test Box\u003c\/b\u003e—add it to your toolkit today.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545580347454,"sku":"TES-810.10","price":19.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-810.10_1.jpg?v=1759341624"},{"product_id":"10k-14k-18k-22k-gold-and-999-silver-testing-needle-set","title":"10K, 14K, 18K, 22K Gold and .999 Silver Testing Needle Set","description":"\u003cdiv\u003e\n\u003ch1\u003eGold \u0026amp; Silver Testing Needle Set for Karat Verification\u003c\/h1\u003e\n\u003cp\u003eThis Gold testing needle set delivers precise karat testing for both gold and silver, including 10K, 14K, 18K, 22K gold and.999 silver. Built to work with testing stones and acid testing solutions, you can determine metal content with confidence wherever you inspect jewelry or bullion.\u003c\/p\u003e\n\u003cp\u003eKey features blend accuracy with ease of use, making this kit ideal for jewelers, collectors, and pawn shops. The needles are designed for consistent marks across karats, and the set pairs with standard testing stones and acids for reliable results.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003ePrecise karat range\u003c\/b\u003e: 10K, 14K, 18K, 22K gold and.999 silver testing needles for quick verification.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatible with testing stones \u0026amp; acids\u003c\/b\u003e: use with common testing stones and acid solutions to confirm metal content.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurable construction\u003c\/b\u003e: high-quality needles designed for repeated use in busy environments.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompact, portable kit\u003c\/b\u003e: easy to carry between workstations or on-site testing.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIdeal for jewelry pros and hobbyists\u003c\/b\u003e: perfect for shops, labs, and personal collections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your toolkit today and test with confidence—add the Gold Testing Needle Set to your cart now.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545580380222,"sku":"TES-805.62","price":93.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-805.62_1.jpg?v=1759341562"},{"product_id":"10k-14k-18k-gold-and-999-silver-testing-needle-set","title":"10K, 14K, 18K Gold and .999 Silver Testing Needle Set","description":"\u003cdiv\u003e\n\u003ch1\u003eGold and Silver Testing Needle Set\u003c\/h1\u003e\n\u003cp\u003eThe \u003cb\u003eGold and Silver Testing Needle Set\u003c\/b\u003e is essential for accurately determining gold karats and silver content in jewelry, coins, and bullion. This compact kit includes precision needles for 10K, 14K, and 18K gold, plus a.999 silver needle, delivering reliable, on-the-spot testing for dedicated collectors and jewelers alike.\u003c\/p\u003e\n\u003cp\u003eDesigned for accuracy and ease of use, the set helps you confirm metal grades without guesswork—perfect for \u003ci\u003ejewelry testing\u003c\/i\u003e, \u003ci\u003ekarat testing\u003c\/i\u003e, and quick coin checks. Its portable design makes it a staple in workshops, display cases, or at-home setups.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003ePrecise needles\u003c\/b\u003e for 10K, 14K, 18K gold and.999 silver\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompact, portable design\u003c\/b\u003e fits in a toolkit or jewelry case\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUser-friendly\u003c\/b\u003e for fast karat and silver content checks\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurable construction\u003c\/b\u003e ensures long-lasting performance\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIdeal for\u003c\/b\u003e jewelry makers, coin collectors, and bullion enthusiasts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you’re valuing pieces for resale or verifying your own collection, this testing set provides dependable results you can trust. \u003ci\u003eOrder today\u003c\/i\u003e and add confidence to every valuation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"9","offers":[{"title":"Default Title","offer_id":41545580478526,"sku":"TES-804.00","price":61.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-804.00_1.jpg?v=1759341558"},{"product_id":"pack-of-6-silver-testing-acids","title":"Pack of 6 Silver Testing Acids","description":"\u003cdiv\u003e\n\u003ch1\u003ePack of 6 Silver Testing Acids\u003c\/h1\u003e\n\u003cp\u003eThe \u003cb\u003ePack of 6 Silver Testing Acids\u003c\/b\u003e delivers precise, drop-by-drop testing for laboratories and hobby chemists. Each bottle features a sturdy plastic container with an internal baffle to prevent leaks and maximize safety, while enabling precise dispensing. A single drop is all you need, so you’ll get hundreds of tests from every bottle.\u003c\/p\u003e\n\u003cp\u003eEach bottle contains 12 grams of solution, providing dependable coverage for standard test protocols and busy workloads. The six-pack design offers excellent value and ensures you never run short in the middle of an experiment.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eLeak-resistant design with an internal baffle prevents spills during handling.\u003c\/li\u003e \u003cli\u003ePrecise dispensing enables accurate drops, reducing waste and ensuring consistent results.\u003c\/li\u003e \u003cli\u003eHigh-clarity plastic bottles protect the solution and are easy to label.\u003c\/li\u003e \u003cli\u003eValue pack: six bottles for extended use and convenience.\u003c\/li\u003e \u003cli\u003eSafe handling features engineered for routine lab and DIY testing workflows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEnhance your testing accuracy with this pack—add to your toolkit today and keep results consistent.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"7","offers":[{"title":"Default Title","offer_id":41545636085822,"sku":"TEST-0022","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/test-0022.jpg?v=1759342736"},{"product_id":"3-x-2-x-1-2-gold-testing-black-stone","title":"3\" x 2\" x 1\/2\" Gold Testing Black Stone","description":"\u003cdiv\u003e\n\u003ch1\u003e3\" x 2\" x 1\/2\" Gold Testing Black Stone\u003c\/h1\u003e\n\u003cp\u003eThe \u003cb\u003eGold Testing Black Stone\u003c\/b\u003e is your go-to tool for accurate karat testing. This durable black stone provides a reliable surface for scratching a gold sample and pairing with testing solution to determine the karat content quickly and confidently.\u003c\/p\u003e\n\u003cp\u003eDesigned for jewelers, metalworkers, and hobbyists, it measures 3\" x 2\" x 1\/2\" to fit comfortably in any workspace. The surface is ideal for a clean scratch test, yielding consistent results when used with common acid-based gold testing solutions for precise gold karat determination.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e: 3\" x 2\" x 1\/2\" surface for easy handling and accurate scratches\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatible with testing solutions\u003c\/b\u003e: pairs with standard acids for reliable results\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eScratch-test ready\u003c\/b\u003e: smooth, non-porous surface designed for consistent impressions\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurable construction\u003c\/b\u003e: high-quality black stone built to last in busy workshop environments\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVersatile use\u003c\/b\u003e: ideal for karat testing, precious metal testing, and jewelry workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEnhance your jewelry workflow with this essential gold testing stone. Purchase now and streamline your gold testing process with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"1","offers":[{"title":"Default Title","offer_id":41545637986366,"sku":"TEST-0024","price":9.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/test-0024_01.jpg?v=1759342797"},{"product_id":"10k-14k-18k-gold-testing-needle-set","title":"10K 14K 18K Gold Testing Needle Set","description":"\u003cdiv\u003e\n\u003ch1\u003e10K 14K 18K Gold Testing Needle Set\u003c\/h1\u003e\n\u003cp\u003eThe 10K 14K 18K Gold Testing Needle Set helps you quickly determine the karat content of gold and other metals using testing stones and acid solutions. This compact kit includes 10K, 14K, and 18K needles mounted on a convenient ring for easy access during jewelry appraisal or shop workflows.\u003c\/p\u003e \u003cp\u003ePerfect for professional jewelers, hobbyists, and pawn shops, this tool delivers precise \u003cb\u003ekarat verification\u003c\/b\u003e. Use with standard \u003ci\u003egold testing stones\u003c\/i\u003e and \u003ci\u003eacid solutions\u003c\/i\u003e to identify genuine gold and separate alloys with confidence. The ring keeps the three testing needles organized and ready at a moment's notice, reducing downtime in busy settings.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eIncludes 10K, 14K, and 18K needles\u003c\/li\u003e\n\u003cli\u003eRing-mounted for quick access during testing\u003c\/li\u003e\n\u003cli\u003eDesigned to pair with standard testing stones and acids\u003c\/li\u003e\n\u003cli\u003eIdeal for jewelry appraisal, buysell shops, and hobbyists\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompact and portable, this set travels well from bench to bench.\u003c\/p\u003e \u003cp\u003eShop now to boost your gold verification accuracy and add reliable testing tools to your toolkit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"1","offers":[{"title":"Default Title","offer_id":41545658761278,"sku":"TEST-0002","price":60.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/18k_14k_10k_testing_needles.jpg?v=1759343102"},{"product_id":"10k-14k-18k-gold-999-silver-testing-needle-set","title":"10K, 14K, 18K Gold .999 Silver Testing Needle Set","description":"\u003cdiv\u003e\n\u003ch1\u003e10K, 14K, 18K Gold.999 Silver Testing Needle Set\u003c\/h1\u003e\n\u003cp\u003eOur gold testing needle set makes karat verification quick and accurate. This compact kit helps you determine the karat content of gold and other metals with confidence, using clearly labeled needles for 10K, 14K, 18K gold and a silver testing needle. All components are neatly arranged on a ring for safe transport and easy access.\u003c\/p\u003e\n\u003cp\u003eWhether you're a jeweler, appraiser, or collector, this essential jewelry testing toolkit delivers precise results without guesswork. The ring-mounted design keeps needles organized and protected, so you can take it on-site or store it safely at your workstation. Use the needles to compare scratch marks or reference wipes and verify karat authenticity with consistent testing conditions.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eRing-mounted kit\u003c\/b\u003e with 10K, 14K, 18K gold needles and a silver testing needle\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFast karat verification\u003c\/b\u003e for gold and other precious metals\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompact, portable\u003c\/b\u003e jewelry testing toolkit for on-site use\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurable, high-precision\u003c\/b\u003e needles for reliable results\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIdeal for\u003c\/b\u003e jewelers, appraisers, and collectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your testing capabilities today with this essential gold testing needle set and ensure confident, accurate readings with every check. Add this kit to your toolkit today.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"1","offers":[{"title":"Default Title","offer_id":41545658859582,"sku":"TEST-0003","price":61.35,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/999s_18k_14k_10k_testing_needles.jpg?v=1759343080"},{"product_id":"10k-gold-testing-acid-14669","title":"10K Gold Testing Acid","description":"\u003cdiv\u003e\n\u003ch1\u003e10K Gold Testing Acid\u003c\/h1\u003e\n\u003cp\u003e10K Gold Testing Acid provides a precise, safe way to verify karat content quickly. This gold testing acid kit is designed for accurate karat verification and convenient field or bench testing, making it ideal for jewelers, appraisers, and gold buyers.\u003c\/p\u003e\n\u003cp\u003eEach bottle contains 12 gr of testing acid and comes in a sturdy plastic container with an internal baffle to prevent leaks and maximize safety. The design lets you precisely drop the amount needed, so a tiny drop goes a long way, delivering hundreds of tests per bottle.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eLeak-safe design:\u003c\/b\u003e sturdy plastic bottles with an internal baffle to prevent leaks\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePrecise drop control:\u003c\/b\u003e apply only the small amount required for each test\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eEconomical and long-lasting:\u003c\/b\u003e hundreds of tests per bottle\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVersatile for gold testing:\u003c\/b\u003e ideal for 10K gold and general karat verification; supports acid testing for gold workflows\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eComplete testing solution:\u003c\/b\u003e includes everything you need for reliable results in jewelry appraisal\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEnhance your jewelry testing process with this essential gold testing acid. Add to your toolkit today and test with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"7","offers":[{"title":"Default Title","offer_id":41545662758974,"sku":"TEST-0004","price":3.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/test-0028_01_1.jpg?v=1758721246"},{"product_id":"22k-gold-testing-acid-9085","title":"22K Gold Testing Acid","description":"\u003cdiv\u003e\n\u003ch1\u003e22K Gold Testing Acid\u003c\/h1\u003e\n\u003cp\u003eThe 22K Gold Testing Acid is a precise, reliable solution for verifying 22K gold. Ideal for jewelry testing and gold verification tasks, this acid helps confirm karat accuracy with minimal waste. Each bottle contains 12 g and features an internal baffle in a sturdy plastic bottle to prevent leaks and maximize safety. With a tiny drop needed per test, you’ll get hundreds of tests from every bottle, lowering cost per assay while keeping your workflow efficient.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eLeak-proof bottle design with internal baffle for maximum safety\u003c\/li\u003e \u003cli\u003ePrecise drop control minimizes waste and ensures repeatable results\u003c\/li\u003e \u003cli\u003eHigh-quality gold testing acid tailored for jewelry verification\u003c\/li\u003e \u003cli\u003eLong-lasting: hundreds of tests per bottle\u003c\/li\u003e \u003cli\u003eCompact, easy to store in a workshop or lab\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals and hobbyists alike, this gold testing acid delivers consistent results across batches, supports clear visual reactions, and pairs well with standard testing kits. The compact bottle is easy to store on a toolbox or lab shelf, making it the go-to choice for reliable karat verification in busy shops.\u003c\/p\u003e \u003cp\u003eReady to validate your gold with confidence? Add to cart now and secure precise, safe testing for your jewelry collection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"7","offers":[{"title":"Default Title","offer_id":41545662824510,"sku":"TEST-0007","price":3.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-122.00_1.jpg?v=1758587773"},{"product_id":"18k-gold-testing-acid-9084","title":"18K Gold Testing Acid","description":"\u003cdiv\u003e\n\u003ch1\u003e18K Gold Testing Acid\u003c\/h1\u003e\n\u003cp\u003eUse 18K Gold Testing Acid for precise karat verification and confident jewelry appraisal. This gold testing solution is packaged in sturdy plastic bottles with an internal baffle to prevent leaks and maximize safety, so you can test with peace of mind. The design also allows you to precisely drop the exact amount needed, ensuring consistent results every time. Ideal for studios, pawn shops, and at-home workshops, it supports accurate decisions on genuine and counterfeit pieces.\u003c\/p\u003e \u003cp\u003eOnly a small drop is required, so you’ll get hundreds of tests out of each bottle. Each bottle contains 12 gr, making it a reliable choice for frequent testing in busy environments where quick, repeatable results are essential. The clear, leak-resistant bottle helps keep your workstation clean and safe during handling and storage.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eLeak-resistant, internal-baffle bottle:\u003c\/b\u003e minimizes spills and protects your workspace\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision-drop design:\u003c\/b\u003e dispense the exact amount needed for dependable results\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-volume usability:\u003c\/b\u003e hundreds of tests per bottle for cost efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable packaging:\u003c\/b\u003e sturdy plastic container that travels well and stores safely\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile application:\u003c\/b\u003e ideal for professional jewelers, pawn shops, labs, and hobbyists\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEnhance your gold testing process with a reliable, precise solution. Add to cart and test with confidence today.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"7","offers":[{"title":"Default Title","offer_id":41545662857278,"sku":"TEST-0005","price":3.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-118.00_1.jpg?v=1758721253"},{"product_id":"silver-testing-acid-9086","title":"Silver Testing Acid","description":"\u003cdiv\u003e\n\u003ch1\u003eSilver Testing Acid\u003c\/h1\u003e\n\u003cp\u003e\u003cb\u003eSilver Testing Acid\u003c\/b\u003e delivers precise, safe silver verification for crafts, labs, and hobbyists. Housed in sturdy plastic bottles with an internal baffle, this testing acid minimizes leaks and enhances safety during handling. Only a small drop is needed, so each bottle yields hundreds of tests while keeping waste to a minimum.\u003c\/p\u003e\n\u003cp\u003eDesigned for accuracy and ease of use, the solution supports reliable results in a compact, leak-resistant package. The precise drop mechanism ensures you can measure exact amounts every time, reducing guesswork in silver checks.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eLeak-resistant bottle with internal baffle for safe storage\u003c\/li\u003e \u003cli\u003ePrecise dropper allows accurate testing with minimal product\u003c\/li\u003e \u003cli\u003eContains 12 grams per bottle, delivering hundreds of tests\u003c\/li\u003e \u003cli\u003eSuitable for jewellers, metal labs, and DIY silver verification\u003c\/li\u003e \u003cli\u003eDurable plastic construction reduces risk of spills and accidents\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eExplore dependable silver testing today and ensure your results are consistently reliable. Enhance your silver testing routine—learn more and add this to your toolkit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"7","offers":[{"title":"Default Title","offer_id":41545662890046,"sku":"TEST-0008","price":3.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-130.00_1.jpg?v=1759343345"},{"product_id":"2-x-2-gold-testing-black-stone","title":"2\" x 2\" Gold Testing Black Stone","description":"\u003cdiv\u003e\n\u003ch1\u003eGold Testing Black Stone\u003c\/h1\u003e\n\u003cp\u003eMeet the gold testing black stone, a precise tool for karat testing and purity assessment. Measuring at 2\" x 2\", this black testing stone is designed to pair with testing solutions and needles to determine the karat value of your precious metals. Use it when evaluating gold, silver, or other alloys in jewelry, coins, or bullion to ensure accurate results. The smooth surface resists staining during testing and helps you read results clearly.\u003c\/p\u003e \u003cp\u003eDesigned for reliability in karat testing and purity testing, this compact stone is perfect for jewelry makers, appraisers, and collectors. It supports standard testing solutions and needles, delivering consistent, repeatable results for precious metal verification.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize \u0026amp; surface:\u003c\/b\u003e 2\" x 2\" compact stone with a smooth, non-reactive surface for clean testing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrimary purpose:\u003c\/b\u003e ideal for karat testing and purity verification of precious metals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e works with common testing solutions and testing needles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurability \u0026amp; portability:\u003c\/b\u003e durable, non-porous surface that travels well in a toolkit.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEnhance your assay accuracy and confidence with this essential testing accessory. Add to your toolkit today and streamline your precious metals verification process.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"1","offers":[{"title":"Default Title","offer_id":41545662955582,"sku":"TEST-0001","price":8.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/test-0001.jpg?v=1759343184"},{"product_id":"6-piece-testing-acid-solution-set-for-gold-platinum-silver","title":"6-Piece Testing Acid Solution Set for Gold, Platinum, \u0026 Silver","description":"\u003cdiv\u003e\n\u003ch1\u003e6-Piece Testing Acid Solution Set for Gold, Platinum \u0026amp; Silver\u003c\/h1\u003e\n\u003cp\u003eThis 6-Piece Testing Acid Solution Set for Gold, Platinum \u0026amp; Silver delivers a reliable acid testing kit for verifying metal purity. Each kit includes one bottle of testing acid for 10K, 14K, 18K, 22K gold, plus acids for silver and platinum (12 grams each). The sturdy plastic bottles feature an internal baffle to prevent leaks and help maximize reliability during testing and storage.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eComprehensive chemistry set\u003c\/b\u003e: six dedicated acids for 10K–22K gold, silver, and platinum testing\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLeak-resistant bottles\u003c\/b\u003e: sturdy plastic containers with internal baffle to minimize spills\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAccurate dosing\u003c\/b\u003e: 12-gram bottles ensure consistent results across tests\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompact, portable\u003c\/b\u003e: easy to carry in a jeweler’s kit or workspace\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eClear labeling\u003c\/b\u003e: simple to identify each acid for quick, efficient testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIdeal for jewelers, appraisers, pawn shops, and hobbyists performing karat testing, gold testing, and metal verification, this acid solution set supports reliable silver testing and platinum testing as well.\u003c\/p\u003e\n\u003cp\u003eEquip your toolkit with this essential acid testing kit today and test metals with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"7","offers":[{"title":"Default Title","offer_id":41545662988350,"sku":"TEST-0011","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/test-0011_01_1.jpg?v=1759264525"},{"product_id":"14k-gold-testing-acid-9083","title":"14K Gold Testing Acid","description":"\u003cdiv\u003e\n\u003ch1\u003e14K Gold Testing Acid\u003c\/h1\u003e\n\u003cp\u003e14K Gold Testing Acid delivers precise testing for gold alloys, offering reliable results for jewelers and hobbyists alike. This gold testing solution comes in sturdy plastic bottles with an internal baffle to prevent leaks and maximize safety, making it a trusted part of any gold testing kit. Each bottle contains 12 g of acid, ensuring you can perform hundreds of tests with just a small drop.\u003c\/p\u003e\n\u003cp\u003eDesigned for standard acid testing methods, this testing acid is a core component of a dependable gold testing kit and a versatile 14K gold testing solution for lab or field use. The durable bottle prevents spills, while the internal baffle guides the flow for controlled application. A tiny drop is all you need, delivering accurate results without waste.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eLeak-safe bottle\u003c\/b\u003e with an internal baffle to prevent spills\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePrecise drop\u003c\/b\u003e design for controlled testing\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eEfficient usage\u003c\/b\u003e—only a small amount per test\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLong-lasting\u003c\/b\u003e supply with hundreds of tests per bottle\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVersatile\u003c\/b\u003e compatibility with standard gold testing procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReady to get accurate results? \u003ci\u003eAdd to cart\u003c\/i\u003e and equip your toolkit with dependable 14K Gold Testing Acid for precise testing every time.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"7","offers":[{"title":"Default Title","offer_id":41545663053886,"sku":"TEST-0006","price":3.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-114.00_2.jpg?v=1758721249"},{"product_id":"platinum-testing-acid-9087","title":"Platinum Testing Acid","description":"\u003cdiv\u003e\n\u003ch1\u003ePlatinum Testing Acid\u003c\/h1\u003e\n\u003cp\u003ePlatinum Testing Acid delivers precise, reliable testing with safety in every drop. This acid testing solution comes in sturdy plastic bottles with an internal baffle to prevent leaks and maximize safety.\u003c\/p\u003e\n\u003cp\u003eA tiny drop is all you need, so you’ll get hundreds of tests from each bottle. Designed for both professional labs and safe home testing, it supports precise titration and colorimetric assays with minimal waste. Each bottle contains 12 gr.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eInternal baffle prevents leaks and enhances safety\u003c\/li\u003e \u003cli\u003ePrecise drop control for consistent results\u003c\/li\u003e \u003cli\u003eSmall drop size yields hundreds of tests per bottle\u003c\/li\u003e \u003cli\u003eSturdy plastic bottle for durability and spill resistance\u003c\/li\u003e \u003cli\u003e12 gr per bottle\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for colorimetric checks, titrations, QA testing, and educational labs, Platinum Testing Acid fits seamlessly into your workflow while reducing waste and improving repeatability. Trust in lab-grade quality for reliable results every time.\u003c\/p\u003e \u003cp\u003eOrder today and experience dependable performance for your testing procedures. Add to cart today to begin your precise testing journey.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"7","offers":[{"title":"Default Title","offer_id":41545663119422,"sku":"TEST-0009","price":3.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/tes-132.00_1.jpg?v=1759343352"},{"product_id":"10k-14k-18k-999s-gold-silver-testing-set-with-needles-stone-solutions","title":"10K, 14K, 18K, .999S Gold Silver Testing Set with Needles Stone \u0026 Solutions","description":"\u003cdiv\u003e\n\u003ch1\u003eGold Silver Testing Set with Needles, Stone \u0026amp; Solutions\u003c\/h1\u003e\n\u003cp\u003eThe Gold Silver Testing Set is your essential tool for accurate karat verification of gold and silver jewelry. This professional kit covers 10K, 14K, 18K, and.999S, helping you confirm precious metal authenticity with confidence—whether you’re a jeweler, appraiser, or hobbyist. The included needles, testing stone, and solution bottles enable quick, precise assessments in any workshop. Designed for reliable jewelry testing, it blends traditional touch-and-scratch methods with modern reagents to deliver dependable karat results, fast.\u003c\/p\u003e \u003cp\u003eKey features and benefits include:\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePrecise needles\u003c\/b\u003e for controlled scratch testing that minimizes markup or damage\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTesting stone and solutions\u003c\/b\u003e for clear, interpretable color reactions\u003c\/li\u003e\n\u003cli\u003eComprehensive coverage of \u003cb\u003e10K\u003c\/b\u003e, \u003cb\u003e14K\u003c\/b\u003e, \u003cb\u003e18K\u003c\/b\u003e, and \u003cb\u003e.999S\u003c\/b\u003e precious metal standards\u003c\/li\u003e\n\u003cli\u003ePortable, professional-grade kit suitable for jewelers, pawn shops, and collectors\u003c\/li\u003e\n\u003cli\u003eEasy-to-follow instructions for consistent results\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInvest in this Gold Silver Testing Set to verify metal purity with confidence, protect your inventory, and speed up transactional accuracy. 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Designed for testing 10K, 14K, and 18K gold, this comprehensive gold testing kit includes testing needles, a testing stone, and acid solutions to confirm karat purity quickly and accurately.\u003c\/p\u003e\n\u003cp\u003eWhether you’re verifying vintage pieces or new jewelry, this kit provides reliable results and peace of mind. Use the testing needles for scratch-free impressions, the polishing stone for clean surfaces, and the acid solutions to reveal the true karat without guesswork. The set is crafted to support \u003cb\u003ekarat verification\u003c\/b\u003e, \u003cb\u003egold purity\u003c\/b\u003e, \u003cb\u003etesting needles\u003c\/b\u003e, \u003cb\u003etesting stone\u003c\/b\u003e, and \u003cb\u003eacid solutions\u003c\/b\u003e in one portable package.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eCompatibility\u003c\/b\u003e: confirms 10K, 14K, and 18K gold with clear results.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePremium needles\u003c\/b\u003e: precise scratch testing that won’t damage delicate pieces.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eQuality testing stone\u003c\/b\u003e: dependable surface for accurate reactions.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eComprehensive acids\u003c\/b\u003e: contains essential solutions for safe testing.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePortable kit\u003c\/b\u003e: compact and durable for field or shop use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInvest in this trusted Gold Testing Set with Needles, Stone \u0026amp; Solutions today and test with confidence. Add to cart today to ensure confident, accurate results.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"PMC Supplies","offers":[{"title":"Default Title","offer_id":41545664856126,"sku":"TEST-0013","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/8478\/3422\/files\/test-0013_1_1.jpg?v=1759343450"}],"url":"https:\/\/pmcsupplies.com\/collections\/testing-supplies.oembed?page=5","provider":"PMC Supplies","version":"1.0","type":"link"}