Jewelers DiamondNite Dual Tester

Test for non-diamond synthetic Moissanite or genuine diamond with one touch. Initial warm-up time eight seconds; recovery time between tests 1 second! Completely portable uses one nine-volt battery (included). Three minute shut-off alert to save battery. Simple on-off switch no tricky adjustments. Gray shock resistant housing with easy to read features.

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JOSBY 1 Pcs Diamond and Moissanite Tester, High Accuracy Jewelry Diamond Tester Pen, for Non-Diamond, Synthetic Moissanite or Genuine Diamond

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1 x Diamond Tester. Auto shuts off automatically after three minutes to save the battery. Power by 9V AC adapter.

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