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About Us

Established as a trade shop to the diamond and jewelry industry in 1926, today  N.D. Reiff Company is one of the premiere diamond importers and wholesalers and diamond merchant companies in the US. 

Located in America's original diamond and jewelry district, on Jeweler's Row in Philadelphia, N. D. Reiff Company combines world-wide partnership interests with exceptional customer service and technology to provide the retail jeweler and jewelry trade shop with diamonds for every need. 

N. D. Reiff Company specializes in fine quality diamonds from the cutting centers of the United States, Belgium, Israel, Russia and India. Most diamonds are accompanied by Certificates issued by the Gemological Institute of America (GIA) or other similarly respected laboratories. 

N. D. Reiff Company sells loose diamonds through varying sales programs to premier independent Retail Jewelers and Gemologists in the United States and throughout the world.

N. D. Reiff Company also manufactures finished fine diamond jewelry from exceptional one-of-a- kind diamond engagement rings to traditional diamond studs and diamond wedding rings, diamond necklaces, diamond bracelets and other fine jewelry items.

A GIA (Gemological institute of America) trained Gemologist and respected member of diamond bourses and trading platforms in America and throughout the world, Neil Reiff has extensive knowledge and experience in diamond grading and evaluation, diamond valuation, diamond and jewelry appraisal services, diamond buying, secondary market diamond sales and diamond brokerage services.

Neil Reiff and N. D. Reiff Company are proud to be serving and working with our fourth and fifth generation of  customers and clients.

To learn more about our philosophy and beliefs, please peruse our Blog contained within this site.