The Presidium Gem Tester II is the industries most trusted gem tester.

Presidium Gem Tester II Colored Stones and Diamond Moissanite

Presidium® Multi Tester III

Presidium Duo Tester PDT Diamond Gemstone Tester

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Gemstone Tester/Color Estimator Presidium

NOTE: The calibration may be affected during shipping. If you have issues, reach out to the seller. INDUSTRIES MOST TRUSTED gemstone tester redesigned

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

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Presidium Gem Tester

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Presidium Gem Tester II

The Presidium® Gemstone Tester / Colored Stone Estimator is the only colored gemstone thermal tester in the industry. It provides a quick and easy way

Presidium® Gem Tester II

Presidium Gem Tester II

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