Diamond Detective Tester, Automatic and manual Operation, Accurate in warm and cool temperature, 12 LED display gives more information, accurately tests small or large stones, Fast warm up time 6 seconds...
JN Jewellery's no power pack or spring clips needed and it works off a 9-volt battery.
the Moissanite terminator ii has dual test voltages to insure 100% accuracy.
until recently and diamond simulants could be distinguished from genuine diamond using a thermal tester like the mizar diamond Detect..