Can I get a grading certificate for my gemstone? by Emylee Certified Lab and Mined diamonds are accompanied with a grading report from either the Gemological Institute of America (GIA), International Gemological Institute (IGI), American Gem Society (AGS), or Gem Certification and Assurance Lab (GCAL). Each of our gemstone pieces is accompanied by a Certificate of Authenticity from Gemvara. If you are interested in acquiring a third party certification for a gemstone, contact us. We are happy to facilitate this process for you, though there will be a cost associated with this service.