- 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.
