These are fake, right? Is ebay untrustworthy for gems and rough in general? : r/Gemstones
Diamond fraud revealed at gem lab - Jewellery Business
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
BEWARE OF FAKE CERTIFICATES | CERTIFIED GEMSTONE ARE FAKE TOO | FAKE GEM TESTING LABORATORY SCAM - YouTube