diamond testing pen diamond tester Diamond selector 2 in 1

diamond testing pen diamond tester Diamond selector 2 in 1 detector

✔●Professional Diamond Selector II will indicate genuine diamond or fake,LCD display & LED indicator. ✔●It is designed for quick, precise, and safe

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diamond testing pen diamond tester Diamond selector 2 in 1 detector - AliExpress

Diamond Tester,High Accuracy Dimond Test Pen,Jewelry Gem Tester

Portable Electronic Diamond Tester Pen For Diamond,ruby,crystal

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1 x Diamond Tester. Power by 9V AC adapter. Auto shuts off automatically after three minutes to save the battery. Weight: 80g.

diamond testing pen diamond tester Diamond selector 2 in 1 detector

Diamond Checker Tool Electronic Kit - Gem Tester Electronic Pole