Discover the Presidium Gem Indicator

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.  

Presidium Instruments Gem Indicator (PGI) Handheld

Discover the Presidium Gem Indicator

Discover the Groundbreaking Synthetic Ruby Identifier by Presidium

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

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How to Calibrate Presidium Gem Tester II (PGT II) Tutorial

Presidium Instruments Gem Tester II (PGT II) with

MUST READ INSTRUCTIONS BEFORE USING | Presidium is available for any troubleshooting assistance THINNEST RETRACTABLE PROBE TIP | Retractable

Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones

Presidium Diamondmate-C Rechargeable Diamond Tester

Discover the Presidium Gem Indicator

Presidium Gem Indicator (PGI), Gem Tester

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