GEMSTONE DUO TESTER

Presidium Duo Tester Simulant Set - Kassoy Jewelry Supply & Gemological Equipment LLC

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

TRI-ELECTRONICS GOLD AND PLATINUM TESTER PRO (GXL-24)

PRESIDIUM Duo Tester - Colored Gemstone Tester The only gemological instrument in the industry that tests gemstones using both thermal and

PRESIDIUM Duo Tester PDT Colored Gemstone Tester with SimulantSet

Presidium Duo Diamond and Gemstone Tester

Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration

PRESIDIUM DIAMOND TESTER

Presidium Duo Tester II (PDT II) - Performing a test and Reading test results

HANDHELD XRF ANALYZER

Presidium Instruments Gem Tester II (PGT II) Now with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones : Arts, Crafts & Sewing