Presidium® GEM Indicator PGI PRESIDIUM DIAMOND & GEMSTONE TESTERS - Jeweler's Tools, Supplies & Watch Batteries by Star Struck

Presidium Jewelry Testing & Identification Tools & Workbenches for

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

Presidium® GEM Indicator PGI PRESIDIUM DIAMOND & GEMSTONE TESTERS - Jeweler's Tools, Supplies & Watch Batteries by Star Struck

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 Jewelry Testing & Identification Tools & Workbenches for

Presidium Instruments Gem Indicator (PGI) Handheld

Discover the Presidium Gem Indicator

Presidium Gem Indicator PGI - TD5612

Presidium Instruments Gem Indicator (PGI) Handheld

Presidium Gem Tester

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