America's Diamond Specialist - Memo and Stock Quality, attention to detail, honesty, fairness, and on-time delivery. These ar ... e words that we live by and you have come to expect from RDI Diamonds. Taking care of our customers has been a tradition since we started in 1992. We specialize in 1 Point to 20 cts. with finer makes. Industry leading wholesaler that specializes in memo and stock based transactions. We offer: - Stock Purchasing with terms - Memo calls with FREE overnight shipping - Up to 65% off RAP - Over 8,000 loose diamonds. All Shapes & All Sizes - GIA, EGL USA, AGS(The Largest AGS Inventory in the world) certified diamonds .30 ct. and above - Lifetime trade-up program - Free web site access with active account - Six actual images of all diamonds on the web site - Free live inventory link on your web site - Million dollar shipments arriving weekly read more