Diamond Certificates

Key Points

Diamond quality is analyzed and certified by Independent gemmological laboratories.
A certificate very accurately describes a loose diamond in terms of its 4C’s.
Based on the certificate information you can determine the beauty and value of the diamond.
Two diamonds with the same 4C’s can be largely treated as the same in terms of value.

Certificates Explained

Diamond quality is certified by Independent gemmological laboratories. The diamond's certificate sets out the diamond's carat (size), color, clarity and cut, known as the 4C's.
A certificate very accurately describes a loose diamond in terms of its 4C’s. Diamond certificates are essential for all diamonds over 0.30 carats in weight. The diamond certificate tells you the diamond's exact measurements and weight, as well as the details of its cut and quality. It precisely points out all the individual characteristics of the stone.
Only by having this information can you determine the value of the diamond and compare one diamond with another. A diamond certificate is not a valuation but all diamonds are valued on the basis of their certificate.
While every diamond is unique two diamonds with the same 4C’s can be largely treated as the same in terms of value. The most important fact is that without an independent diamond certificate it is impossible to accurately determine a diamonds value.

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