A diamond checker or tester is a small portable device that determines whether a piece of diamond is genuine or not . It does this by passing heat or electricity (depending on the model) directly to the gemstone and measuring how fast it can conduct them.This is Electronic Diamond Tester a portable electronic device for distinguishing real diamonds from other simulated stones.It is designed for quick, precise, and safe diamond testing, simple calibration for stones of various sizes.With LED light and audio result indicationAccurate and reliable reading, with a metal alert, a testing platform for loose stonesThe loupe built-in LED and fluorescence lights for normal illumination, Easy focus adjustment. Can be used for jewelry, gemstone, document.Specifications:Dimensions: 160*42*22mmTesting Capability: Diamonds, Diamond simulation (e.g. CZ), MetalAuto Off: " N/AInitial warm-up: ~ 20 sec.Indicator: Audio and LED lampsPower: 1 x 9V Battery ( not included)Package Included:
1 x Diamond tester(battery not included)1 x Testing platform1 x Carrying case1x User's manual