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
Fakes, scams, and tricks: (Some) Gemstone certificates of authenticity
Fake emeralds, with fake lab certification - Gem Related Discussion - IGS Forums
BEWARE OF FAKE CERTIFICATES | CERTIFIED GEMSTONE ARE FAKE TOO | FAKE GEM TESTING LABORATORY SCAM - YouTube
How to identify Real or Fake Gemstones PDF | Drishti Gems by drishtigems - Issuu
Are globalgemslab (GGL) gemstone certificates fake? - ShopperLib
GGIJ Laboratory - Real or Scam? Description in comments. : r/Gemstones
Is this a fake certificate? : r/Gemstones
These are fake, right? Is ebay untrustworthy for gems and rough in general? : r/Gemstones
Gemstone Certification in India & Worldwide - A Complete Guide - Rajendras Gems, Delhi
Is this a legit gem lab? Or a piece of junk : r/Gemstones