Professional Diamond Selector II will indicate genuine diamond or fake,LCD display & LED indicator. It is designed for quick, precise, and safe diamond testing.Emits audible sounds to easily differentiate the readings. Portable electronic device for distinguishing real diamonds from other simulated stones. If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction.
Diamond Tester High Accuracy Diamond Tester Pen,Environmental Protection 9V Battery,Professional Diamond Selector for Jeweler Novice and Expert
Diamond Tester Pen + 60X Led Magnifying + Ring Size
Gain Express Diamond Tester Pen, High Accuracy Jewelry
Diamond Tester High Accuracy Diamond Tester Pen