Presidium® Gem Tester II – ZAK JEWELRY TOOLS

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Presidium Gem Tester PGT II Gemstone Testers Estimator Display Gemological Testing Identification Instrument Tools

The All-New Presidium Gem Indicator is the only handheld digital tester in the industry specifically for colored gemstones, being able to test for up

Presidium Gem Indicator (PGI)

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Presidium Instruments Gem Tester II (PGT II) with

INCLUDED ASSISTED THERMAL CALIBRATION | Now easily self calibrate your device to your testing environment INDUSTRIES MOST TRUSTED | Gemstone tester

Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones

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 Synthetic Diamond Tester

Presidium Gem Tester II

Presidium® Diamond Mate A – ZAK JEWELRY TOOLS

Gem Tester II: Quick Diamond/Moissanite Identification & Colored

Presidium® Diamond Mate A – ZAK JEWELRY TOOLS

Presidium Synthetic Diamond Tester

Presidium Synthetic Diamond Tester