Gem Testers and Diamond Testers — PERRIN

Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone Industrys thinnest probe tip (0.6mm) for testing

Presidium Duo Tester PDT Diamond Gemstone Tester

Gem Testers and Diamond Testers — PERRIN

GemTrue Multi Tester – Mehta tools

GemTrue Multi Experior

Presidium DiamondMate A — PERRIN

Gem Testers and Diamond Testers — PERRIN

Gem Testers and Diamond Testers — PERRIN

GEMTRUE ARETE Synthetic Diamond Tester – GemTrue

Happyyami Diamond Tester Selector Hardness Jewelry Measuring Pen Gemstone Tool with Battery for Novice and Expert : Arts, Crafts & Sewing

Best Sellers High Accuracy Professional Jeweler Diamond Tester+60X LED Magnifying for Novice and Expert -Diamond Selector 9V Battery Included

Gem Testers and Diamond Testers — PERRIN

High Accuracy Diamond Tester Professional Jeweler for Novice and Expert - Diamond Selector II 9V Battery Included

Gemstone & Diamond Testers - PMC Supplies

【SIMPLE AND FAST TO USE】Our diamond detector can quickly test the authenticity of diamonds, jade, agate, and crystal. If it is a real diamond, the

Diamond Tester, Diamond Detector, Diamond Tester Pen, Diamond Tester Professional, gem Tester, Diamond Tester Pen High Accuracy Professional

Gemtrue Diamond Testers