The Mizar "Diamond Detective" state-of-the-art Tester is simple but precise, giving the user a quick "true/false" reading. Housed in a high-impact plastic case, it is everything you will need to test diamonds in rapid succession, whether the stones are mounted or unmounted. Operation of this unit is simple. Turn the unit on, wait five to seven seconds for the "Ready" light, select whether it's a large or small stone, and touch the probe tip to the stone. A light will turn on along with an audio indication if the stone is a diamond. No external power cords or clips necessary, this diamond tester uses a 9-Volt battery.
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