Presidium Gem Tester II Color Diamond Tester

Presidium Gem Tester II Colored Stones and Diamond Moissanite Tester - Hong Kong

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Presidium Duo Tester II Assisted Thermal Calibration & Comprehensive Gemstone Testing

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Presidium Gem Tester/Colored Stone Estimator II, PGT II

Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones Presidium Gem Tester Complete Unit

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Presidium Duo Tester-II (PDT-II)

Gem Tester II: Quick Diamond/Moissanite Identification & Colored Gemstone Separation

Presidium Gem Tester PGT II Colored Gemstone Diamond Distinguish Estimator Display Gemological Identification Instrument Tools

The Presidium Gem Tester II is the industries most reliable colored ge

PRESIDIUM Refractive Index Meter II (PRIM II) Colored Gemstone Tester

Gem Tester II: Quick Diamond/Moissanite Identification & Colored Gemstone Separation