breslauer& warren

Certificate 

Diamond certification, also called a grading report, is a complete evaluation of a diamond performed by a qualified professional with the help of specified gemological instruments. Each recognizable, individual characteristic of a diamond is listed on the certificate.
 
There are 4 major international laboratories in North America that grade, certify and sometimes estimate market value of diamonds.

They are:

AGS – American Gem Society
EGL - European Gemological Laboratory
GIA - Gemological Institute of America
IGI - International Gemological Institute

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Still have questions about Diamond Certificates? Call us at (403) 252-9048 for more help.