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By emitting audible sounds and giving an accurate reading, detecting natural diamonds is much easier today than before. Earlier, jewelers used th
【Initialization】After powering on, turn the wheel to keep 4 green lights on to finish the Initialization. Otherwise you will get inaccurate results.
HMKIS Diamond Tester, 9V Battery, High Accuracy Jewelry Diamond Tester, Professional Diamond Selector, Thermal Conductivity Meter
How Do Diamond Testers Work? - Estate Diamond Jewelry
Diamond Gem Tester Pen - High Accuracy Diamond Tester Kit Portable Electronic Diamond Gem Tester with 60X Magnifying Glasses and Battery Jewelry Diamond Detector for Expert Novice
Designed for quick, precise, & safe diamond testing. Fine elastic tip probe for testing and stone identify as small as 2pt. No need to adjust anything
Pro Diamond Moissanite Tester 2pt Jewel Stone Factory Calibrated
[Fast and safe ]:Professional Diamond Selector II will indicate genuine diamond or fake.It is designed for quick, precise, and safe diamond testing.
High Accuracy Professional Diamond Tester Pen Jeweler Tool for Novice and Expert - Diamond Selector II 9V Battery Included(Black)
How Do Diamond Testers Work? - Estate Diamond Jewelry
Gold Silver Diamond Tester Selector Gemstone Testing Kit Digital Electronic Tool
What is a gemstone tester? A diamond tester? New update 2021
Diamond Tester
GTE Gold Silver Diamond Tester Selector Gemstone Jewelers Testing Kit – GOLD TESTING EQUIPMENT
GemTrue Diamond Selector II Advanced
How Does a Diamond Tester Work: A Clear Explanation