Presidium Gem Tester II (PGT II) - Testing Emerald, Diamond, Sapphire, Ruby, Nephrite - I finally got a Presidium Gem Tester II. I'll unbox it and show how
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Presidium Gem Tester II (PGT II) - Testing Emerald, Diamond, Sapphire, Ruby, Nephrite
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Presidium Gem Tester II (PGT II) - Testing Ruby, Diamond, Sapphire, Gemstone, Peridot