The Presidium Gem Tester II is the industries most trusted gem

Presidium® Gem Indicator – SEP Tools

Gemstone Testing Equipment, Gemstone Testers Estimator

The Presidium Multi Tester III is the best selling pocket sized

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The Presidium Gem Tester II is the industries most reliable colored ge

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

Presidium Gem Tester II! Everything you need to know - Review

Gem Tester II (PGT II) Test Types of Natural Gemstones

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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

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

Presidium DuoTester w/o Diamond SImulants