- AJS Gems
 - Wholesale gem company from Bangkok offering Burma ruby, sapphire, mandarin garnet, tsavorite, tourmaline, zircon, aquamarine, and other gemstones. - C.N. Thai & Sons
- Manufacturer and wholesaler of pink, yellow, and white sapphire as well as ruby.
- PehnecGems
- Importers, exporters, and wholesalers specialising in cubic zirconia and synthetic stones. Bulk order inquiries are welcome.
- Grain of Sand, A
- Wholesaler of semi-precious gemstones, freshwater pearl beads, pearls, jewellery findings, garnet beads, and Swarovski crystal beads.
- American Diamond Wholesalers
- Family-owned business specialising in supplying nationally known chains and speciality stores. All sales certified with GIA or IGI certificate.
- Gemcal
- Cutting house specialises in the production of Mogok Spinel.
- Gemfix
- Offers coloured gemstones cut from rough or recut at wholesale prices.
- Pioneer Gem Corporation
- m. & m.gems
- Products include emeralds, Indian rubies, and other coloured gemstones.
- SwissGemShop
- Offering Australian black opals, alexandrites, sapphires, tanzanites, and rubies. Also sells lab created gemstones.
- East International
- Manufacturer and exporter of precious and semi-precious gem stones, silver jewellery, and beads.
- Diamonds Wholesale Corporation
- Offers engagement rings, loose stones, and diamond jewellery featuring GIA and AGS certified ideal cuts.
- AfricaGems.com
- Selling African coloured gemstones, including tanzanite, tsavorite, aquamarine, tourmaline and more.
- Pala International
- Features coloured gemstones, including ruby, sapphire, tourmaline, and mineral specimens.
- Schneider, Thomas M.
- Offers rough gemstones to jewellers and hobbysts.
- Delta Bravo Gemstones
- We import and sell emerald mineral specimens from Colombia.
- GemMall.com
- Manufacturer and wholesaler of gemstone and semi-precious gemstone beads, glass beads, gemstone chips, fibre optic cat's eyes, murano glass beads, fresh water pearls, turquoise, malachite, lapis, and coral beads.
- Precious Resources
- Agent offering gem buying assistance to professionals.
- Rough and Ready Gems
- Cutters of faceted briolettes in matched and single pieces.
- EastBeads
- Offers sorties and strands of sapphires, rubies, and emeralds.
- AAAA Diamond
- Gemstone wholesaler offering rings and loose stones including diamonds, rubies, sapphires, and emeralds.
- Gemstar
- Cutting and polishing of precious gemstones, specialising in emeralds.
- Bayer Gems
- Jewellery design and consulting firm buys and sells gemstones with a focus on beryl, tourmaline, topaz, and garnet.
- Alpha Imports
- Features gemstones, gold and silver jewellery, cabochons, minerals, rocks, and more.
- Steinkunst
- German cut gemstones and art carvings.
- Thai Pink
- Supplier of natural gemstones for wholesalers and retailers.
- Crystalline Design Gems
- Australian supplier of Mong Hsu ruby, Thai sapphire, Habachtal emerald and assorted Madaskar and Indian gemstones.
- P. Intercontinental Gems
- Manufacturers and wholesalers of precious and semi-precious gemstones including ruby, sapphire, emerald, cubic zirconia, and synthetic stones.
- Excelsior Gem Gallery
- Publishers of Gem Trader.
- Brazil Imports, Inc
- Gemstones wholesale and import/export between Brazil and USA.
- Asia Products LLC - Gems
- Offering wholesale coloured gems.
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