Dominion Diamond Corporation is a diamond mining company. The Company is focused on the mining and marketing of rough diamonds to the global market. The Company's segments include the Ekati Diamond Mine, the Diavik Diamond Mine and the Corporate segment. It supplies rough diamonds to the global market from its operation of the Ekati Diamond Mine (in which it owns a controlling interest) and its approximately 40% ownership interest in the Diavik Diamond Mine. It controls the Ekati Diamond Mine, as well as the associated diamond sorting and sales facilities in Toronto and Yellowknife, Canada, Mumbai, India, and Antwerp, Belgium. The Ekati Diamond Mine consists of the Core Zone, which includes the operating mine and other permitted kimberlite pipes, as well as the Buffer Zone, an adjacent area hosting kimberlite pipes having both development and exploration potential, such as the Jay kimberlite pipe and the Lynx kimberlite pipe.