Dominion Diamond Mines Dominion Diamond Mines Dominion Diamond Mines (formerly known as Dominion Diamond Corporation, Harry Winston, and Aber) is a Canadian specialist diamond mining company. The company holds a 40% stake in the Diavik Diamond Mine Project. Production at the Diavik Diamond Mine, Canada's second diamond mine, is operated by Dominion Diamond Mines' joint venture partner, Diavik Diamond Mines Inc., a subsidiary of Rio Tinto Group. The mine began producing diamonds in November 2002. In 2012 the company purchased all of BHP Billiton's diamond assets; the primary asset is the Ekati Diamond Mine, which is adjacent to the Diavik Mine. Diavik and
Kelsey Lake Diamond Mine settled the lawsuit but in September 1997 Redaurum decided to liquidate its diamond properties to concentrate on exploration. The mine was operated sporadically until the operation was acquired by McKenzie Bay International Ltd. in 2000. McKenzie bought the mine management firm Diamond Co. from Chapter 11 bankruptcy, transferred all its assets to a subsidiary, Great Western Diamond Co., and invested $2 million in new equipment for the mine. In 2001, McKenzie tried to sell the mine to focus on mining vanadium after the price of that metal rose dramatically. However, due to a dispute with the landowner over royalty payments,