Arete synthetic-diamond tester by Gemtrue, 'Duo' model, includes a Diamond Experior tester Digital scales - regular lines - resolution 0.01g freeze-frame etc (which make you

freeze-frame etc (which make you go completely dizzy) - just one easy-to-feel button to change the magnification

no prescription

For the non-expert: make sure the stone is recent (eg not from the 19th century) and is round

00 which calculates the answer for you)

Arete synthetic-diamond tester by Gemtrue, 'Duo' model, includes a Diamond Experior tester Digital scales - regular lines - resolution 0.01g freeze-frame etc (which make youSummary Arete synthetic diamond tester plus a free Diamond Experior thermal diamond tester. Between them, they test for natural diamond, synthetic (= lab grown) diamond, Moissanite, and "any other stone". The GemTrue Arete is an essential tool for the experienced jeweller and professional diamond dealer, it is for testing known diamonds, to see if they are natural or synthetic. That means you must first test the stone on a good quality diamond tester