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This is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond tests. An excellent tool kit for the diamond tester, suitable for handling any exposed or inlaid diamonds and gems, as well as other jewelry and precious metal items. The diamond detector with voice instructions and audible sounds are emitted when the lights are on so that you can easily distinguish between masonry and stone.

Dupeakya Professional Diamond Selector II, Gem Tester Pen Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone, Black

[HIGHLY PRECISE] Precision defines this Diamond Tester Tool. It easily identifies a real diamond from a fake, helping you make informed decisions in

Diamond Tester, Gem Tester, Diamond Tester Portable LED Audio Diamond Tester Jewelry Gem Selection Precision Tool Test for Diamond for Beginners and

High Accuracy Diamond Tester Professional Jeweler for Novice and Expert - Diamond Selector II 9V Battery Included