SELECTOR II Diamond Tester Jeweler Testing Tool Measuring The Thermal Conductivity Of Diamond

Our diamond tester lightweight,easy and convenient to carry.
Our diamond tester can help you to distinguish whether your diamond is real or fake through measuring the thermal conductivity of diamond.
Green indicator will be showed on Diamond tester if the stone is a real diamond.It will make continuous buzzing sound when user accidentally touches metal rather than stone.
Size:6.31 x 1.58 x 0.88inch
Weight:0.72Lb
Battery:9V (Not Included)
Tester Battery:9V (Not Included)

Package Includes:
Selector II Diamond Tester*1
Manuals*1