The consumer buying a diamond or any product relies a lot on certification of authenticity. There are many certificates for different items like food, chemicals, software. Even for diamonds there are certain certificates for authenticity and trust. These certificates can include diamond quality, serial number on the girdle, authenticity of natural origin, color, clarity, weight.
The gemological labs issue the certificate, objectively irrespective of the diamond’s market value.
For quality Diamond and authenticity:
Ensure that the grading certificate issued is by a reputed gemologist or gemological lab. Some labs offer online services, where you can check different criteria. You can also ask the retailer for the origin of the diamond.
||Gemological Institute of America
||It is a non-profit organization established in 1931 with headquarters in Carlsbad, California and offices in many countries.
||International Gemological Institute
||It grades the diamonds and gems. It has headquarters in New York and other offices across US.
||European Gemological Laboratory USA
||It is an independently owned lab founded in 1986 with headquarters in New York.
||American Gem Society
||It is situated in Las Vegas, Nevada and founded in 1978.
||The private foundation formerly known as the Hoge Raad voor Diamant (HRD).