Presidium Replacement Probe Gem Thermal Tester (for PGT II & PDT

Gem Tester II: Quick Diamond/Moissanite Identification & Colored

Presidium Duo Tester II Assisted Thermal Calibration

PRESIDIUM INSTRUMENTS GEM Tester II (PGT II) with Assisted Thermal

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

Presidium Duo Tester II Assisted Thermal Calibration

Gem Tester II: Quick Diamond/Moissanite Identification & Colored

HSWalsh Stores

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

Presidium Duo Gem Tester (PDT) - TD5310

Presidium Instruments Gem Tester II (PGT II) Now with

Presidium Duo Tester PDT Diamond Gemstone Tester

PRESIDIUM DUO TEST Thermal Conductivity Refractive Index Tester