10/08/2026
Read the manual first to maximize accuracy with your diamond detector. The probe is 90 degrees vertical to the diamond. Reset to 4th mark before each test. 1 x Diamond Tester Tools. How to test diamond.
10/08/2026
Diamond Tester, Professional Jewelers' Gemstone Detector, High Accuracy Diamond Checker Pen Professional for Jewelers, Gem Tester (Jewelry-Only Detection). Read the manual first to maximize accuracy with your diamond detector.