Easy to Use: Real Diamond will Emits sounds and lights >=9.Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and lights
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ALL-IN-ONE GOLD, SILVER, PLATINUM, & DIAMOND JEWELRY TESTING & APPRAISAL KIT FUN, FAST, AND ACCURATE! DETERMINES THE KARAT OF GOLD, SILVER, AND
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Diamond Tester, Diamond Detector, Diamond Tester Pen, Diamond Tester Professional, gem Tester, Diamond Tester Pen High Accuracy Professional Jeweler(Black Diamond Testers) : Patio, Lawn & Garden
Diamond Tester, Diamond Detector, Diamond Tester Pen, Diamond Tester Professional, gem Tester, Diamond Tester Pen High Accuracy Professional Jeweler(Black Diamond Testers) : Patio, Lawn & Garden
zjchao Touchstone, 2pcs Gold Detecting Touchstone Jewelry Test Tool Kit Reliable and Practical Gold Content Tester for Testing Jewelry : Arts, Crafts & Sewing