Grobet 56.926 SmartPro Gem-Eye I LED Indicator Gemstone Tester Description
With color estimator display for smooth seamlessly testing of precious stones and diamonds. Check the diamond that you love with our easy gemstone tester! Our teams gem-eye I was specifically developed to distinguish between diamonds and other simulants using the principle of thermal conductivity. Testing has never been easier: just pop in your stone or diamond and let this awesome device do all the work!