Professional Diamond Tester Pen, High Accuracy Diamond Tester with UV Light, 8-Bar LED & Buzzer Alarm, Adjustable Sensitivity, 2 pt Min Detection, Diamond Detector for Jewelry Novices & Experts

Professional Diamond Tester Pen, High Accuracy Diamond Tester with UV Light, 8-Bar LED & Buzzer Alarm, Adjustable Sensitivity, 2 pt Min Detection, Diamond Detector for Jewelry Novices & Experts

• ✔【Fast & Accurate Detection】Advanced thermal conductivity sensors in this diamond tester quickly spot real diamonds from simulants like cubic zirconia. Simply test at a 90-degree vertical angle after a 25s warm-up.
• ✔【Intuitive Dual Feedback 】Featuring an 8-bar LED and audio buzzer, this diamond tester pen makes reading results easy. A red light and 3 periodic beeps instantly indicate a real diamond for novices and pros.
• ✔【Built-In UV Light】This professional UV diamond tester includes a built-in light to check diamond fluorescence. It provides a crucial second layer of verification for retail jewelers to assess authenticity.
• ✔【Detects 2pt Micro Diamonds 】This diamond detector features an adjustable calibration knob to test stones with different size (Min. 2pt). A continuous beep alerts you if the probe touches metal instead of the gemstone.
• ✔【Lightweight & Ergonomic 】Weighing 55g, this slim diamond checker is built for comfort. The included vinyl pouch and loose stone base make it the perfect portable kit for on-the-go checks in stores or at home.