Presidium Duo Tester PDT Diamond Gemstone Tester : Arts, Crafts & Sewing

Presidium Duo Tester II Assisted Thermal Calibration & Comprehensive Gemstone Testing

Presidium Duo Tester PDT Diamond Gemstone Tester

Conducting Optical Test on Gemstones Using Presidium Duo Tester (PDT II)

Presidium Duo Tester PDT Diamond Gemstone Tester : Arts, Crafts & Sewing

Presidium DuoTester w/o Diamond SImulants

Presidium Duo Tester II Assisted Thermal Calibration & Comprehensive Gemstone Testing

Presidium Duo Tester II Assisted Thermal Calibration & Comprehensive Gemstone Testing

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

Presidium Duo Gem Tester (PDT) - TD5310

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

Presidium Duo Gem Tester (PDT) - TD5310

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

Presidium Duo Gem Tester (PDT) - TD5310

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

Jeweler Diamond Tester, Professional Diamond Gemstone Selector Portable LED Audio Diamond Tester with Diamond Selector II, Moissanite Tester, 2 Manuals, 2 Trays : Arts, Crafts & Sewing