Photo 1 of Dupeakya Professional Diamond Tester, Gem Tester Pen Portable Electronic Diamond Tool for Jewelry Jade Ruby Stone

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Photo 1 of Dupeakya Professional Diamond Tester, Gem Tester Pen Portable Electronic Diamond Tool for Jewelry Jade Ruby StonePhoto 2 of Dupeakya Professional Diamond Tester, Gem Tester Pen Portable Electronic Diamond Tool for Jewelry Jade Ruby Stone