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 Instruments Gem Tester II (PGT II) con calibración térmica asistida (ATC) para identificar diamantes/moissanitas y piedras preciosas de colores comunes : Presidium: Arte y Manualidades

Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones : Arts, Crafts & Sewing

Mollo Diamond Tester High Accuracy Diamond Tester Pen Jewelry Diamond Tester Professional Diamond Selector Diamond Tester Kit for Novice & Expert, Th

Presidium SDS Synthetic Diamond Screener : Arts, Crafts & Sewing

Presidium® Gem Tester II Colored Stones Diamond Testing Machine – SEP Tools

ORIGINAL Presidium Gem Diamonds / Gemstones Computer Gauge - New! (PGCG) : Arts, Crafts & Sewing

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

Gem Tester II: Quick Diamond/Moissanite Identification & Colored Gemstone Separation

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

Presidium® Gem Tester II – ZAK JEWELRY TOOLS

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

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

Presidium Gem Tester II (PGT II) - Assisted Thermal Calibration

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® Gem Tester II – ZAK JEWELRY TOOLS

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