Arete synthetic-diamond tester by Gemtrue, 'Duo' model, includes a Diamond Experior tester Options_Mains Optional wait 5 seconds for it

wait 5 seconds for it to warm up

Can test any stone mounted in jewellery and it also comes with a stone-holder for testing loose stones

no scale of LED lights

from leaves and insects to stamps and fabrics

Our probe only lasted 3 months

Arete synthetic-diamond tester by Gemtrue, 'Duo' model, includes a Diamond Experior tester Options_Mains Optional wait 5 seconds for itSummary 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