DUSIEC Jewelry Diamond Tester Gemstone Selector Analyzer II Gems Gemstone Tester LED Tool
100% brand new with high quality material, never be usedLCD display, LED lights Emit audible sounds to give accurate readingDiamond indicator (GREEN light ), which illuminates if the stone is a REAL diamondIf stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reactionMetal alert ( a long beep when user accidentally touches metal rather than stone )Dimension: 16.5 x 4.5 x 2.5cm