Diamond Testers Practical Jewelry Diamond Selector Moissanite Tester Portable Testing Detector Pen with Small Testing Tray
【Complete Initialization Settings】 After powering on, turn the wheel so that the 4 green lights are always on to complete the initialization.
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【High Precision】: This diamond tester set not only detects diamonds but also tests for moissanite, making it a versatile tool for gemstone
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Diamond Selector II Professional Diamond Tester Diamond Indicator Jewelry Gem Crystal Selector Test Pen Tool High Accuracy, Women's, Size: 16, Black
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