Lac de Gras Lac de Gras Lac de Gras is a lake approximately north east of Yellowknife, in the Northwest Territories of Canada. Lac de Gras was the centre of the diamond rush of the 1990s. There are two working, and one closed, diamond mines in the area, Diavik Diamond Mine, Ekati Diamond Mine, and the care and maintenance Snap Lake Diamond Mine. It was called Ekati by aboriginal peoples. The lake is ultraoligotrophic but supports a slow-growing but stable population of some eight species of cold-water fishes, including round whitefish, cisco, and lake trout. Lake trout dominate the lake, both numerically and
Venetia Diamond Mine chairman. In 2004 the mine had 955 employees and recovered 7,187,300 carats (1437.5 kg) of diamonds from 5,871,000 metric tons of ore. The Kolope River flows 8 km to the west of the mine. Surface water storage dams have been built on two of its tributaries. Venetia Diamond Mine The Venetia Diamond Mine is South Africa's largest producer of diamonds. It is situated close to the South African town of Alldays in the Limpopo province and is located within the 360 km² Venetia Limpopo Nature Reserve. The open-pit mine is one of De Beers’ six remaining diamond mines in South