Professional Diamond Tester Rechargeable,High Accuracy Jewelry Diamond Tester
💎✅Effortless Testing – Key operation, at a glance.No need for a professional – the Diamond Tester Pen is easy to operate. Just turn it on, lightly press the tip to the gemstone, and wait for the beep to know if it’s real or fake.If it’s Real Diamond.The professional Diamond Tester will lighted up over 9 and emits audible sounds.