Presidium Gem Tester II (PGT II) Testing Diamond, Sapphire, Ruby, Amethyst, and Calibrating

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Gemstone Testing Machine Black Presidium Gem Tester Pgt-2, For Commercial, Size: Compact at Rs 22500 in New Delhi

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Diamond gemstone test with tool diamond selector II to find high quality gemstone 💎,Test gemstone

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Diamond gemstone test with tool diamond selector II to find high

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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

Guide on How to Calibrate Presidium Gem Tester

Presidium Gem Tester II (PGT II) - Testing Emerald, Diamond, Sapphire, Ruby, Nephrite