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Features: Easy operation. Accurate and reliable reading. LED light and audio result indication. Simple calibration for stones of various sizes. Detailed user manual is included in the package. Matched with a testing platform for loose stones. Light weight, matched with a convenient carrying case. The red light will be showed and the audio indicator will ring if the stone is real diamond.

High Accuracy Diamond Tester Selector Gemstone Tool Gems Jewelry Test Tool with LED Indicator, Adult Unisex, Size: 6.6 x 1.6 x 0.8, Black

Patrice is constantly shopping for jewelry, trading diamonds, sorting through scrap jewelry, and bidding at estate sales and auctions. Patrice wants to find the highest quality diamonds to use to make the pieces for her jewelry collections. This diamond tester indicates whether Patrice's stones are genuine diamonds or fakes.

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Diamond & Gold Testers - Jeweler diamond tool kit : Portable