Founded in 1979, Leibish & Co. is the world’s premier online resource for natural fancy color diamonds. With retail and wholesale customers around the globe, Leibish enjoys an unparalleled reputation for integrity and service. The company offers a wide array of GIA-certified color diamonds, a unique collection of multi-colored diamond jewelry, as well as a wide selection of gemstone jewelry all designed in-house. The Leibish & Co. website features a comprehensive knowledge center for the Fancy Color Diamond Industry, including informative articles and investment materials, and also offers a direct purchasing channel for global buyers. For more information, please visit