In order to fully appreciate the value of a diamond when one is not a professional, it is necessary to dispose of certain pieces of information that can be found in the certificate.
|
HRD |
Diamond High Council - Hoge Raad voor Diamant |
| IGI |
International Gemmological Institute |
| GIA |
Gemmological Institute of America |
| AGSL |
American Gem Society Laboratories (not to be confused with Antwerp Gemmological Services) |
| LFG-CCIP |
French Gemmological laboratory of the Paris Chamber of Commerce and Industry |