Dominion Diamond Corporation, formerly Harry Winston Diamond Corporation, is focused on the mining and marketing of rough diamonds to the global market. The Company supplies rough diamonds to the global market from production received from its 40% ownership interest in the Diavik Diamond Mine (the Diavik Diamond Mine) and its 80% interest in the Ekati Diamond Mine (the Ekati Diamond Mine). Both mineral properties are located at Lac de Gras in Canada�s Northwest Territories. On March 26, 2013, the Company completed the sale of its Harry Winston luxury brand business to the Swatch Group Ltd.