Presidium Gem Indicator (PGI), Gem Tester

The Presidium Gem Indicator is the Handheld Digital Diamond Gemstone Tester. This Colored Stone Estimator tests up to 31 different types of colored gemstones.

Presidium Gem Indicator (PGI) Performing a Test and Reading Results

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

PRESIDIUM Synthetic Diamond Screener SDS Separates Diamonds Type – Landa International

Presidium GEM Indicator PGI Colored Gemstone Diamond Tester NEW

Presidium Gem Indicator (PGI), Gem Tester

Presidium Gem Tester PGT II Colored Gemstone Testers Estimator Display Gemological Testing Identification Instrument Tools

The All-New Presidium Gem Indicator is the only handheld digital tester in the industry specifically for colored gemstones, being able to test for up

Presidium Gem Indicator (PGI)

PRESIDIUM Gem Indicator PGI Gem Tester - UK

Presidium - UK

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

Singapore Presidium Colored Gemstone Testers Duo PDT Refractometer Diamond Jewelry Appraisal Identification Instruments Tools

SMARTPRO ® SPGE-I Gem Eye I Gem and Diamond Tester Smart Pro