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By now, you may be familiar with the 4C's of diamond quality: color , clarity , cut and carat weight.
Some diamonds from Kay are accompanied by an independent certification as to their quality and value. The report from that evaluation is called a diamond certificate - also known as a diamond grading report, diamond dossier, diamond quality document or diamond light performance certificate.
Your independent diamond certification is produced by trained professionals and will include the following information:
Depending upon the diamond, you may also receive a light performance certificate:
Because no two diamonds are exactly alike, a diamond certificate can even serve as your diamond's fingerprint or identification in case of loss or theft.
Learn more about some of the most well-known diamond grading laboratories:
Gemological Institute of America
International Gemological Institute
Gemological Science International
American Gem Society
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