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PRESIDIUM Singapore original imported gem tester / gem testing jewelry promotion Presidium Gem Tester II

Buy PRESIDIUM Singapore original imported gem tester / gem testing jewelry promotion Presidium Gem Tester II at Aliexpress for . Find more , and

PRESIDIUM Singapore original imported gem tester / gem testing jewelry promotion Presidium Gem Tester II

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

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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