DDC Warns of Fraudulent GIA Reports

David Abraham, vice president of the Diamond Dealers Club of New York, issued a statement Monday warning of a scam taking place with fraudulent GIA reports. The incidents were reported on JCKonline and by other organizations. 

Abraham contacted www.Jewelersalert.com to issue his statement. It reads as follows:

Dear fellow members of the diamond and jewelry trade and industry worldwide, please Take immediate notice of the following urgent matter:

1.Counterfeit GIA Reports offered with HPHT diamonds or diamonds of a different Grade than described on the accompanying Counterfeit GIA Report, have been discovered in the marketplace.

2.Counterfeit GIA Reports with the exact GIA Report number and exact or similar grading information & details are being offered in the marketplace.

These Counterfeit GIA Reports are accompanying HPHTdiamonds or genuine diamonds of a slightly different, though nearly the same grade. A buying may erroneously purchase a stone assuming that because the GIA report number and grading appear to be the same, he is buying the actual item.

I urge you to protect yourself, your customers, suppliers and good name, and exercise utmost caution because of the above and report any irregularities to your bourse, trade or industry association.

You can help protect yourself by using one of the following methods recommended by the GIA.

GIA Report Check is a free online service that lets clients check the information contained in a GIA Diamond Report and GIA Diamond Dossier. Enter the diamond’s report number and carat weight, and Report Check returns all the grading information, including a cutgrade when available, that was issued for that diamond. Report Check currently serves only those diamonds graded from Jan 1, 2000 to the present. To access Report Check, go to

When in doubt or purchasing from an unknown source, the GIA recommends that the GIA Report Verification Service be used to confirm the authenticity of their GIA Diamond Grading Report and Diamond Dossier, or the information the report contains by simply requesting a free verification from GIA. People can submit their diamond along with its original report to the GIA Laboratory. The diamond will be re-assessed and the results of the new analysis will be returned to its owner, along with the diamond. Alternatively, the original grading report can be updated, meaning that the diamond can be submitted to the laboratory and fully graded again, including all of the screening steps for treatments.

Sincerely, David Abraham

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