Presidium Instruments Gem Indicator (PGI) Handheld
Presidium Gem Tester
Presidium® GEM Indicator PGI PRESIDIUM DIAMOND & GEMSTONE TESTERS
Presidium Instruments Gem Indicator (PGI) Handheld
Discover the Presidium Gem Indicator
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
Presidium Instruments Gem Tester II (PGT II) with
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
Discover the Presidium Gem Indicator
Presidium Jewelry Testing & Identification Tools & Workbenches for
Presidium® Gem Computer Gauge Gauges & Calipers - Jeweler's Tools