Diamond Reports
Polygon's Diamond Reports are derived from the information in CertNet. Dealers from around the world list their diamond inventory in this database. The total value of the stones listed in CertNet is in excess of US$3 Billion wholesale.
Polygon provides both a Diamond Price Report and a Popular Diamond Report.
Prices in the Diamond Price Report are per-carat, wholesale, based on asking price averages for GIA-graded round stones listed for sale in Polygon's diamond database, as of the date shown.
The Popular Diamond Report provides a snapshot of the most searched diamonds in Polygon's diamond database, CertNet using the 4C's: Cut, Carat, Color and Clarity.
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Polygon members benefit from this data as a source of additional market information.
Download a sample Diamond Report
Sample Diamond Price Report
Sample Popular Diamond Report
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