RDI Trading was founded in 1982 by a very special group of people for a very specific purpose: to cut, manufacture and provide the finest diamonds for the American market with up to the minute response and inventory backed by personalized service. Today, RDI is an industry leader with central offices in Israel, Dallas and Philadelphia. These locations allow us to service our clients more effectively, pass along significant savings, and maintain a comprehensive inventory. Our inventory of certified GIA and EGL as well as non-certified and commercial stones are available for quick delivery. As members of Diamond Dealers of New York, Israel Diamond Exchange, Jewelers Board of Trade, and Polygon, we attain greater access to on hand inventory creating more options for you. In the final analysis, we will help grow the profit line in your sales. Allow us to strengthen your position in the marketplace.