Omi Gems, Inc. - Omi Gems is a colored gemstone house in the heart of the downtown Los Angeles Jewelry District. Omi Gems imports colored gemstones from around the world, including Asia, East Africa, Brazil, Columbia, Sri Lanka, Burma, and many others.

Arrowhead Gemcraft - Arrowhead Gemcraft was founded in 1969, when we started cutting cabochons. Montana agate has been our specialty since the beginning. Montana agate is one of the finest stones available for one of a kind jewelry.

Tavalite® Enterprises of Sonoma - Unlike most gemstones, Tavalite gemstones do not absorb light, but reflect it. Characteristic of each gem is dominant color accented by a secondary hue and several others seen in the stone's reflected light.

Opal-Trader.com - Opal Jewelry and Australian opals including black opal direct to the public. Shop for a wide range of black opal rings, Australian opal pendants, loose gemstones and more.