Discover the Presidium Gem Indicator Handheld Digital Tester for 31 Gemstone Types

Unlock the power of gemstone identification with the Presidium Gem Indicator, the industry
The Presidium Gem Indicator is the industry's one and only handheld digital tester for colored gemstones, for application in 31 different types of gemstones. Trouble detecting certain gemstones? Enhance your system's efficiency by updating to the latest firmware now. Works best with Google Chrome and Microsoft Edge. Adaptor Included.  

Discover the Presidium Gem Indicator Handheld Digital Tester for 31 Gemstone Types

Presidium Gem Tester/Colored Stone Estimator II, PGT II

The Presidium Gem Indicator (PGI) is the only hand held tester in the industry specifically for colored gemstones. It indicates up to 31 different

Presidium PGI Gem Indicator

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

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

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

Discover the Presidium Gem Indicator Handheld Digital Tester for 31 Gemstone Types

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