- A.G. Nisama Ltd. - African gemstone rough source for small lots of sapphire, diamond,tourmaline, amethyst, and zircon.
- Brian Norton - Fine faceting rough from Africa. Tourmaline, aquamarine, sapphire, spinel, and garnet.
- ColorWright - Comprehensive cabbing and slab rough inventory index. Numerous inked sites offer rare turquoise rough, finished cabs, facet rough and lapidary machinery.
- Facet and Rough Gemstones - Wide selection of faceting and cabbing rough, specimen crystals, loose natural gemstones and cabochons.
- Gems and Rough - Facet and cabbing rough in several grades. Some lapidary and faceting machinery.
- Harwood Gems - Mariposa. black feather plume agate, imperial and ocean jasper rough. Cabochons available.
- Jackson's Gems - Facet rough, opal rough, faceting and other lapidary machines.
- John E. Garsow - Fine faceting and cabbing rough in small parcels. Some jewelry.
- Kayzee Gems Ltd. - Nigerian dealer featuring facet and cabochon gemstone rough, some cut precious and semi-precious stones.
- Madagascar Minerals - Miner and supplier of Madegascar rough material, cut stones, and finished stone goods.
- New Era Gems - Extensive facet rough sold individually and in parcels. Features tanzanite, tourmaline,garnets all with origin details. Interesting mineral specimens, carving, some cab rough.
- Ritchard's Gems - Star sapphire, amethyst, oro verde, citrine rough and some faceted stones. Quaint Arkansas diamond-hunting story.
- The Trade Roots Collection - Wide range of rough gemstone materials including Mediterranean coral, turquoise, shell, labradorite, and Chiapas amber.
- TMS Gems - Fine facet rough to the hobbyist as well as to the trade.
