Produces single crystal diamond wafers and crystals for the optoelectronics, nanotechnology, and consumer gem markets. Includes information on synthetic production capabilities, with links to patent and related articles.
In business since 1979, an extension of two diamond cutting facilities one located in Lisbon, Portugal, and the other domestically in the United States. (Los Altos, California)
Specializing in the sale of certified stones, as well as rings, earrings and pendants. Includes estimates based on size and quality, a newsletter, photos, and company information.
Provides a guide to buying diamonds that addresses cut, clarity, color and carat as well as branded and unbranded diamonds. Site highlights the difference between Leo Diamonds and unbranded diamonds.