Presidium Gem Indicator - YQ-103
Presidium PGI Gem Indicator
Gem Tester II: Quick Diamond/Moissanite Identification & Colored Gemstone Separation
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Singapore Presidium Diamond Simulants Moissanite Testers Multi Tester PMuT III All-In-One Handheld Jewelry Instrument Tools
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Presidium Electronic Refractive Index Meter PRIM II digital tester Gemological Testing Instrument Tools
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Presidium Gem Indicator (PGI), Gem Tester
Presidium Gemmological Tools
Singapore Presidium Diamond Simulants Moissanite Testers Multi Tester PMuT III All-In-One Handheld Jewelry Instrument
Multi-functional Gemstone Tester Gemstone Detection Authenticity
Singapore Presidium Colored Gemstone Testers Duo PDT Refractometer Diamond Jewelry Appraisal Identification Instruments Tools
Presidium Duo Tester PDT Diamond Gemstone Tester : Arts, Crafts & Sewing
Singapore Presidium Gem Tester PGT II Colored Gemstone Testers Estimator Display Gemological Testing Instrument Tools