Abazias: Offers loose diamonds.Diamond Brokerage Service: GIA certified engagement and diamond rings, and jewelry.Diamond Brokers of Florida: Direct from the DeBeers' and diamond cutters, offers diamond jewelry and settings and a trade-in service.Dirt Cheap Diamonds: Specializes in brokering GIA, AGS and EGL certified diamonds. Offers service information and online catalog.John D. Shearer Gemmologist Ltd.: Toronto gemmologist offers diamonds appraisal and brokerage service.Pure Diamonds: Offer Pure cut diamonds sourced from diamond mining explorations in South Africa.