6" x 3" x 3/8" Natural Testing Stone w/ Wooden Box

6" x 4" x 3/8" Natural Testing Stone

2" x 1-1/2" Black Glass Test Stone (Economy)

2" x 4" x 1/4" Nature River Danube Testing Stone

2-1/2" x 1-1/2" x 1/4" Nature River Danube Testing Stone

2-1/2" x 1-1/2" x 1/4" Natural Testing Stone

2" x 1-1/2" x 1/4" Natural Testing Stone

Diamondite Dual Tester

Diamondite Tester w/ Power Cord Adaptor

Diamond Detective

Mizar Diamond Tester

Diamond Gemlight

Pack of 2 Silver Testing Acids

Pack of 6 Silver Testing Acids

Gemlogis Belize Synthetic Diamond Segregator

Gemlogis Bleu LCD Colorstone Meter

Gold Test Acid Kit 10K 14K 18K with 2" x 2" Testing Stone

Gold Test Acid Kit 10K 14K 18K Silver with 2" x 2" Testing Stone

Presidium ARI by Presidium All-In-One Handheld Instrument for Testing Colorless Diamond Against CVD/HPHT Lab Grown Colorless Diamond and all types of Moissanite

PRESIDIUM DIAMONDMATE-C ELECTRONIC DIAMOND TESTER RECHARGEABLE BATTERY