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
Jericho Diamond Mine Contwoyto ice road in 2006. Tahera filed for protection from creditors in January 2008, and the mine stopped recovering diamonds once existing ore stockpiles ran out, one month later. There is no registered airport at the site so all heavy equipment had to be brought in by the Tibbitt to Contwoyto winter road. Due to the remoteness of the site the mine was part of the impetus for a proposal to build a port near the community of Bathurst Inlet with a road to both Diavik Diamond Mine and Ekati Diamond Mine. The mine was estimated to be able to