Gemstone Tester

RETK-827 Gem Refractometer 0.01 nD Scale Division w/ Built-in LED Light + RI Oil Gem Gemstone Tester - Tekcoplus Ltd.

Portable tester (thermal conductivity tester+reflector). This gemstone tester combines the reflectivity and thermal conductivity detection of

Gemstone Tester Thermal Conductivity Reflectance Dual Appraisal Jewelry Appraisa

GEMLOGIS PISTACHIO GEMSTONE TESTER METER European Design Jewellery

Presidium® GEM Indicator PGI PRESIDIUM DIAMOND & GEMSTONE TESTERS - Jeweler's Tools, Supplies & Watch Batteries by Star Struck

Presidium Duo Tester II Assisted Thermal Calibration & Comprehensive Gemstone Testing

Gemoro® Testerossa™ Talking Tester GEMORO DIAMOND & GEMSTONE TESTER - Jeweler's Tools, Supplies & Watch Batteries by Star Struck

Gem-eye I – SMARTPRO

Presidium GEM Indicator PGI Colored Gemstone Diamond Tester NEW

Presidium Gem Tester II (PGT II) - Performing a test and Reading Results

A remarkable designed Gemstone Tester with stone type estimator on a large display for smoothly and seamlessly testing of your precious stones.

SmartPro GEM-EYE I, Gemstone Tester

Diamond Jeweler Tool Kit Portable Gemstone Tester Gem Selector

Presidium Gemstone Tester, Presidium Diamond Tester

Professional Diamond Tester Gem Tester Pen Portable - Temu

Diamond Tester Diamonds, Diamond Gemstone Tester

Diamond Jeweler Tool Kit Portable Gemstone Tester Selector Testing