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Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones : Presidium: Arts, Crafts & Sewing
Gem Tester II: Quick Diamond/Moissanite Identification & Colored
Presidium Gem Tester PGT II Colored Gemstone Diamond Distinguish
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Presidium ARI Synthetic Diamond Screener Tester Hand Held Gem Testing Machine : Arts, Crafts & Sewing
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 Tester II (PGT II) - Testing Sapphire, Diamond, Ruby
Singapore Presidium Colored Gemstone Testers Duo PDT Refractometer
Let's Test Gemstones! Presidium Gem Tester II (PGT II) - Testing Emerald, Diamond, Sapphire, Garnet