Testing Supplies
Ensure accuracy and authenticity with jewelry testing supplies designed for professional jewelers, appraisers, and gold buyers. Our collection includes acid testing kits, digital scales, touchstones, diamond testers, and metal analyzers for reliable precious metal and gemstone verification.
Each 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 jewelry testing equipment delivers professional-grade accuracy every time.
- $3.29Unit price /Unavailable
ET-18 Mizar Gold Karat Tester Set
$109.95Unit price /Unavailable8" x 3" x 1/2" Gold Testing Black Stone
$24.95Unit price /Unavailable4" x 2" x 1/2" Gold Testing Black Stone
$9.53Unit price /Unavailable- $3.29Unit price /Unavailable
6-Piece Testing Acid Solution Set for Gold, Platinum, & Silver
$19.95Unit price /UnavailableChemical Kit for the M-24 Gold Tester Testing Solution No. 1995
$25.95Unit price /UnavailablePack of 2 Silver Testing Acids
$9.95Unit price /UnavailableChemical Kit for ET-18 or M-18-A9 Gold Testers
$22.95Unit price /Unavailable6" x 3" x 1/2" Natural Testing Stone with Wooden Storage Box
$35.94Unit price /UnavailableSilver Testing Acid - DISCONTINUED
$4.74Unit price /Unavailable- $3.95Unit price /Unavailable
6" x 3" x 1/2" Natural Testing Stone
$19.84Unit price /Unavailable10K 14K 18K Gold Testing Needle Set
$60.55Unit price /Unavailable2" x 2" Gold Testing Black Stone
$8.85Unit price /Unavailable- $3.95Unit price /Unavailable
- $105.95Unit price /Unavailable
M-24 Mizar Gold Karat Tester Set
$219.95Unit price /Unavailable- $219.00Unit price /Unavailable
10K, 14K, 18K Gold .999 Silver Testing Needle Set
$61.35Unit price /Unavailable- $3.29Unit price /Unavailable
3" x 2" x 1/2" Gold Testing Black Stone
$9.30Unit price /Unavailable- $19.30Unit price /Unavailable
- $3.29Unit price /Unavailable
- $3.29Unit price /Unavailable
8" x 3" x 1/2" Natural Testing Stone with Wooden Storage Box
$9.93Unit price /Unavailable6" x 3" x 3/8" Natural Testing Stone w/ Wooden Box
$41.00Unit price /UnavailablePresidium Gem Indicator (PGI) Gem Tester
$364.95Unit price /UnavailableSmartPro Gem-Eye I Stone Tester
$252.00Unit price /Unavailable- $279.95Unit price /Unavailable
- $20.34Unit price /Unavailable
Chemical Kit for ET18 & M18 Mizar Gold Testers - Activator & Electrolyte
$36.20Unit price /Unavailable10K, 14K, 18K, .999S Gold Silver Testing Set with Needles Stone & Solutions
$84.95Unit price /UnavailableSmartPro Screen-I Diamond Tester
$604.00Unit price /Unavailable2" x 4" x 1/4" Nature River Danube Testing Stone
$17.05Unit price /UnavailablePresidium Synthetic Diamond Screener II
$592.95Unit price /Unavailable10K, 14K, 18K Gold Testing Set with Needles Stone & Solutions
$74.95Unit price /Unavailable18K Gold Testing Acid - DISCONTINUED
$4.74Unit price /UnavailablePack of 6 Silver Testing Acids
$19.95Unit price /Unavailable8K, 10K, 12K, 14K, and 18K Gold Testing Needle Set
$79.95Unit price /Unavailable- $189.95Unit price /Unavailable
SAM by Presidium, Diamond Tester and Identify a Wider Range of Moissanites
$325.00Unit price /UnavailablePresidium Moissanite Tester (PMT II)
$164.95Unit price /Unavailable2" x 1-1/2" Black Glass Test Stone (Economy) Jewelry Metal Karat Purity Value
$3.95Unit price /Unavailable- $5.99Unit price /Unavailable
- $222.95Unit price /Unavailable
PRESIDIUM DIAMONDMATE-C ELECTRONIC DIAMOND TESTER RECHARGEABLE BATTERY
$149.00Unit price /Unavailable2" x 1-1/2" Black Glass Test Stone (Economy)
$3.95Unit price /Unavailable