Green indicator will be showed on Diamond Selector II if the stone is a real diamond. It will make continuous buzzing sound when user accidentally touches metal rather than stone.
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Non-destructive testing, simple and accurate operation, low power consumption, low battery alarm (red light indication) for Moissanite Tester.
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Lightweight and compact in size, easy and convenient to carry. Diamond Selector II is equipped with a PU bag and small testing tray for holding loose stones.
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