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

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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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Singapore Presidium Colored Gemstone Testers Duo PDT Refractometer

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

Presidium Gem Tester II - Jewels & Tools