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the New York Diamond Exchange

NYDEX is a diamond brokerage and trading organization located in the heart of New York's diamond district. We are now on the INTERNET, offering to the public the opportunity to buy diamonds at manufacturer/dealer selling prices plus commission.

NYDEX maintains daily contact with a network of diamond manufacturers, traders, and cutters, who have access to the largest diamond inventories in the United States. Most of these diamond sources are members of the New York Diamond Dealers Club, the U.S. affiliate to the World Federation of Diamond Bourses.

NYDEX and these diamond sources are your best assurance of the finest service and some of the lowest prices anywhere.

NYDEX has been in the NY diamond industry since 1979.

NYDEX is owned and operated by a family which has been in the NY diamond industry since 1917.

NYDEX has never had a complaint filed against it by anyone.

NYDEX was the first company to publish diamond prices for use by the public. (1979 The Wall St. Transcript)

NYDEX has been quoted (since 1979) in publications such as the NY Times, NY Post, The Wall St. Transcript, The Wall St. Journal, USA Today, as well as many other publications.

NYDEX offers a 7 day unconditional return goods guarantee in writing. You can inspect your diamond in your home to make sure it's what you expected it to be. If you're not satisfied, just return it in 7 days for a full refund.

NYDEX customers keep over 99.9% of all the diamonds we send out. That's because we personally inspect each diamond we recommend to our customers before we send them out. We're very proud of that 24 year record.

NYDEX sells only GIA certified diamonds, and we'll provide at no additional cost a color/clarity co-cert. by either EGL or IGI to verify the GIA grading report.

NYDEX accepts all major credit cards for payment.

Toll Free 1-877-693-4239

See for yourself!


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The New York Diamond District's Trusted Source for Buying and Selling Diamonds, Diamond Engagement Rings, Loose Diamonds and Gemstones.