A&A Jewelry Supply - Presidium® Gem Indicator (PGI)

Online source for jewelry supplies. Loupes, tweezers, ultrasonic machines, tumblers, moissanite gold diamond testers, moissanite, jewelry watch repair tools.

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

Parker 6 / Gold

AJOA – NADRI

Features, The Presidium Gem Indicator is the industry's one and only handheld digital tester for colored gemstones, for application in 31 different

Presidium Gem Indicator (PGI)

INDUSTRIES MOST TRUSTED | The only handheld tester specifically for colored gemstones; Quick results in less than 6 seconds. THINNEST RETRACTABLE

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

A&A Jewels Co. - Wear Your Jewels With Happiness

A&A Jewelry Supply - Source Supplier for Jewelers and Gemologists

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

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A&A Jewels Co. - Wear Your Jewels With Happiness

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American Gem Trade Association: Your Authority in Color

A&A Jewelry Supply - Boxes, Displays, & Accessories