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Rapaport Calls for End to Rampant Over-grading of Diamonds

Cites Threat to Industry and Calls for Full Disclosure to Consumers

Nov 10, 2014 11:13 AM   By Rapaport
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RAPAPORT... PRESS RELEASE, November 10, 2014, New York ... Martin Rapaport, the chairman of the Rapaport Group, has released a comprehensive editorial titled “Honest Grading” that discloses the over-grading of over 100,000 diamonds, valued at more than a $1 billion. Rapaport calls upon the legitimate jewelry trade to reject those selling over-graded diamonds that fool consumers into believing they are getting better diamonds than they are receiving. 

The article emailed today, to over 77,000 members of the diamond trade, declares that it is an unfair trade practice to grade diamonds using Gemological Institute of America (GIA) grading terminology, while applying alternative standards that over-grade the diamonds. It recognizes the GIA grading standard and insists that suppliers provide full refunds in the event that diamonds re-graded by the GIA are more than one color or one clarity grade below the grade indicated when sold. Furthermore, the article rejects the false statement by the EGL International diamond grading laboratory, a primary source of over-graded diamonds, that there is no international standard for diamond grading.

“The over-grading of diamonds is a legal and ethical issue challenging the legitimacy of the diamond and jewelry trade. Consumers must be warned not to trust misleading diamond grading reports and those that sell them. Suppliers must be held responsible for the quality of the diamonds they sell. The diamond trade must prioritize the protection of consumers above profits,” said Rapaport.

The “Honest Grading” editorial, a video and a trade summary can be viewed at  Comments about the article may be sent to

Media Contact:;
U.S.: Sherri Hendricks +1-702-893-9400;
International: Lisa Miller +1-718-521-4976

About the Rapaport Group: The Rapaport Group is an international network of companies providing added value services that support the development of fair, transparent, efficient, and competitive diamond and jewelry markets. Established in 1978, the Rapaport Magazine is the primary source of diamond price and market information. Group activities include Rapaport Information Services providing research, analysis and news; RapNet – the world's largest diamond trading network; Rapaport Laboratory Services provides GIA gemological services in India, Belgium and Israel; and Rapaport Trading and Auction Services specializing in recycled diamonds and jewelry.  

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Tags: certificates, Consumers, corporate responsibility, diamonds, EGL, ethical, GIA, Jewelry, overgrading, Rapaport
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