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2018 - 2000


In only its first year of operation and the Gahcho Kué Mine Rescue team was named best overall surface team at the NWT/NU Mine Rescue Competition, winning four competitions. The team went on to win the Surface Smoke Obstacle event at the National Western Region Mine Rescue Competition. The Mine also received the 2017 Hatch-CIM Mining & Metals Project Safety Award, was a top three finalist for international project of the year. De Beers Canada was named one of Canada's Safest Companies to work for.


Nearly 20 years after being discovered, the Gahcho Kué Mine officially opened on September 20, 2016. This was an important year for De Beers Canada which also saw the new Calgary Operational Support Centre open in July and Victor Mine awarded its second consecutive national John T. Ryan Safety Award for Select Mines.



Mining milestone at Victor Mine: Seven years and 67 million tonnes later, the De Beers Victor Mine has connected the two key kimberlite pipes into a single mining operation, on schedule and on budget. Victor Mine also received the 2015 national John T. Ryan Safety Award for Select Mines as one of the safest mines in Canada.

Gahcho Kué


Gahcho Kué Project receives water licence and land use permit, clearing the way for full scale construction to commence.


De Beers signs socio-economic agreement with Government of the Northwest Territories for the Gahcho Kué Project, and the first of six Impact Benefit Agreements with NWT Aboriginal communities.


De Beers and community partner NorthWords NWT publish first ever anthology of NWT writing.


Ceremonial Mace from the Ontario Legislature visits Victor Mine, the place where two diamonds included in the Mace were mined.


Victor Mine receives the Ontario Chamber of Commerce's Business Excellence Award (Large Business) and Snap Lake Mine receives the John T. Ryan Safety Award (Western Region) for select mines.


Mining Magazine names Victor Mine “2009 Mine of the Year”.


De Beers Canada celebrates the opening of its first two mines in Canada (Snap Lake Mine July 25th and Victor Mine July 26th).


Mackenzie Valley Environmental Impact Review Board issues Terms of Reference for the Environmental Impact Statement required for the Gahcho Kué Project.


Impact Benefit Agreements (IBAs) signed with the North Slave Métis Alliance and Tlicho Nation for the Snap Lake Mine. Eventually four IBAs completed for Snap Lake.


Construction begins at De Beers’ first two mines outside of Africa – Snap Lake Mine in the Canada’s Northwest Territories and Victor Mine in the James Bay Lowlands of Northern Ontario.


Permits required to build and operate Snap Lake Mine received on May 31 2004.


Snap Lake Mine undergoes environmental assessment.


Bulk sampling and environmental baseline work conducted at Kennady Lake.


Monopros Ltd. is renamed De Beers Canada Exploration.


De Beers acquires Winspear Diamonds Inc, and with it, the Snap Lake diamond deposit.

1999 - 1980


De Beers Canada and Mountain Province Diamonds form the Gahcho Kué Project joint venture. Winspear Diamonds Inc. discovers the Snap Lake diamond deposit.

Gahcho Kué sign


Mountain Province Mining discovers the 5034 kimberlite pipe at Kennady Lake, the site of what will become the future Gahcho Kué Mine in Canada’s Northwest Territories.


De Beers Exploration enters into the Fort à la Corne joint venture project in Saskatchewan.


While working with De Beers Exploration, university student Brad Wood discovers kimberlite boulders on the Attawapiskat River. Brad was fishing along the river while waiting for the team to return to camp after their weekend break, near where Victor Mine will eventually be built.


Diapros Canada Ltd. is renamed Monopros Ltd.

1979 - 1960


De Beers fully acquires the Canadian Rock Company and renames it Diapros Canada Ltd.


De Beers continues to invest in Canadian diamond exploration through the majority owned Canadian Rock Company.


De Beers carries out first exploration program in Canada through an Anglo American Corporation subsidiary known as Hard Metals Canada Ltd.


First kimberlite discoveries in Canada. To date, more than 200 kimberlites have been identified by the company in Canada.