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

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.

Durable Materials: The diamond tester is made of chrome-vanadium alloy steel and ABS insulating plastic, which is wear-proof, durable and hard.

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This diamond tester has a highly compact design, which can perform fast, accurate, and safe diamond testing, which is very suitable for carrying with you when buying diamonds. This diamond tester will indicate whether your diamond is genuine or fake. You can quickly and easily understand the diamond data. The LED light and audio indication of this diamond tester test the true and false results of the diamond.

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The Wall Street Journal Weekend 20-21.05.23, PDF