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Rapaport Group Appoints John Costello Publisher

May 11, 2016 5:07 AM   By Rapaport
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RAPAPORT... PRESS RELEASE, May 11, 2016, Ramat Gan … The Rapaport Group is pleased to announce the appointment of John Costello as Publisher.

This role will see Mr Costello, who has almost 20 years publishing experience, head up Rapaport’s Information Services Division, the leading provider of information to the global diamond and jewelry industry. His responsibilities include the management and development of all content creation and distribution through the company’s print and digital channels. He will also drive and manage product development, and spearhead the company’s digital strategy.

Mr Costello is based in Rapaport’s office in Ramat Gan, Israel. He will also oversee the company’s publishing division based on Madison Avenue, New York, which publishes the Rapaport Magazine.

“We are delighted to welcome Mr Costello to the Rapaport Group,” said Martin Rapaport, CEO of the Rapaport Group. “He brings a wealth of experience to the role and will help Rapaport develop and expand its existing publications while driving new product growth and revenue streams.”

Prior to joining the Rapaport Group Mr Costello ran his own content consulting business, where he worked with trade magazines, national newspapers and blue chip companies.

“I am truly excited about the prospect of driving product development and growth at Rapaport, while embracing the company’s core philosophy of bringing transparency, fairness, efficiency and competitiveness to the diamond and jewelry sector,” said John Costello. “I also look forward to working closely with Amber Michelle, the editor in chief of Rapaport Magazine, and Howard Richman, the magazine’s newly appointed Advertising Director, to ensure the magazine maintains its premier position as ‘the’ magazine for the diamond and jewelry sector.”

Mr Costello can be contacted at


Rapaport Media Contacts:
U.S.: Sherri Hendricks +1-702-893-9400;
International: Gabriella Laster +1-718-521-4976;
Mumbai: Manisha Mehta +91-97699-30065

About the Rapaport
RapNet Diamond Index (RAPI™):The RAPI is the average asking price in hundred $/ct. of the 10 percent best priced diamonds, for each of the top 25 quality round diamonds (D-H, IF-VS2, GIA-graded, RapSpec-A3 and better), which are offered for sale on RapNet - Rapaport Diamond Trading Network. The RAPI is provided for various sizes. has daily listings of over 1 million diamonds valued at approximately $7.56 billion. Additional information is available at

About the Rapaport Group: The Rapaport Group is an international network of companies providing added value services that support the development of fair, transparent, competitive and efficient diamond and jewelry markets. Established in 1978, the Rapaport Price List is the primary source of diamond price and market information. Group activities include Rapaport Information Services, Rapaport Magazine, and, 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. The Group supports over 20,000 clients in 121 countries and has offices in New York, Las Vegas, Antwerp, Ramat Gan, Mumbai, Surat, Dubai and Hong Kong. Additional information is available at
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Tags: diamonds, Jewelry, John Costello, Martin Rapaport, publishing, Rapaport, Rapaport Magazine
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