GIA certificate is a diamond grading certificate issued by the Gemological Institute of America, which is the most recognized and authoritative certificate in the world.
Gemological Institute of America (Gemological Institute of America) is a non-profit organization, the funds are donated by the jewelry industry, the main scope of services in jewelry identification and professional knowledge education and research, so it is recognized by the global jewelry industry. GIA is also a pioneer in promoting diamond certification internationally.