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...Gem Microscope With Darkfield Attachment For Diamond Testing Model Number: FGM-R6S-08 The microscope is a great tool for separating natural from synthetic, imitation and assembled gemstone and for quality gr...
... Ocean Blue Synthetic Gem Loose Crystal, Round cut 2.0-7.0mm Synthetic Gem Crystal Gems Loose, Oval Cut Synthetic Corundum Stone 10*8mm Ruby Gems Artificial Corundum Loose For Jewelry, Round Brilliant Cut Oc...