Just a warning about stones for sale with these credit card size lab reports. I tried to get a cheap black diamond but it's really moissanite. : r/Gemstones
Real vs. Fake Gems, How to Tell the Difference | EGJ – EVA GEMS & JEWELS
BEWARE OF FAKE CERTIFICATES | CERTIFIED GEMSTONE ARE FAKE TOO | FAKE GEM TESTING LABORATORY SCAM - YouTube