Diamonds Mining Companies
11 diamonds companies — explorers, developers & producers
Lucara Diamond Corp.
Lipari Mining Ltd.
Lipari Mining operates the Braúna diamond mine in Bahia, Brazil — the country's only operating kimberlite diamond mine — which has produced over 1.19 million carats since 2016. The company is also advancing the Tchitengo project in Angola's primary diamond-producing district, where 30 kimberlite pipes have been identified including the Tchiuzo pipe advanced to feasibility stage by ALROSA.'s only operating kimberlite diamond mine — which has produced over 1.19 million carats since 2016. The company is also advancing the Tchitengo project in Angola's primary diamond-producing district, where 30 kimberlite pipes have been identified including the Tchiuzo pipe advanced to feasibility stage by ALROSA.'s only operating kimberlite diamond mine — which has produced over 1.19 million carats since 2016. The company is also advancing the Tchitengo project in Angola's primary diamond-producing district, where 30 kimberlite pipes have been identified including the Tchiuzo pipe advanced to feasibility stage by ALROSA.'s only operating kimberlite diamond mine — which has produced over 1.19 million carats since 2016. The company is also advancing the Tchitengo project in Angola's primary diamond-producing district, where 30 kimberlite pipes have been identified including the Tchiuzo pipe advanced to feasibility stage by ALROSA.'s only operating kimberlite diamond mine — which has produced over 1.19 million carats since 2016. The company is also advancing the Tchitengo project in Angola's primary diamond-producing district, where 30 kimberlite pipes have been identified including the Tchiuzo pipe advanced to feasibility stage by ALROSA.
Star Diamond Corporation
Star Diamond holds 100% of the Star-Orion South diamond project in central Saskatchewan, recognised as one of the world's largest undeveloped diamond deposits with potential to produce over 70 million carats over a 38-year mine life. The project is notable for its high proportion of rare Type IIa diamonds and large high-value stones, with a feasibility study targeted for completion by end of 2026.'s largest undeveloped diamond deposits with potential to produce over 70 million carats over a 38-year mine life. The project is notable for its high proportion of rare Type IIa diamonds and large high-value stones, with a feasibility study targeted for completion by end of 2026.'s largest undeveloped diamond deposits with potential to produce over 70 million carats over a 38-year mine life. The project is notable for its high proportion of rare Type IIa diamonds and large high-value stones, with a feasibility study targeted for completion by end of 2026.'s largest undeveloped diamond deposits with potential to produce over 70 million carats over a 38-year mine life. The project is notable for its high proportion of rare Type IIa diamonds and large high-value stones, with a feasibility study targeted for completion by end of 2026.'s largest undeveloped diamond deposits with potential to produce over 70 million carats over a 38-year mine life. The project is notable for its high proportion of rare Type IIa diamonds and large high-value stones, with a feasibility study targeted for completion by end of 2026.
Mountain Province Diamonds Inc.
Mountain Province Diamonds holds a 49% interest in the Gahcho Kué diamond mine in the Northwest Territories, operated by De Beers (51%), which ranks as the fourth-largest diamond mine in the world by annual carat production. The company also controls over 113,000 hectares of prospective exploration claims surrounding the mine, including the Kelvin and Faraday kimberlite resources.
North Arrow Minerals Inc.
North Arrow Minerals is a Canadian diamond explorer advancing the Naujaat project in Nunavut, which hosts a 26.1 million carat inferred resource with notable Type IIa diamond content, and the Loki project near the Diavik mine in the Northwest Territories. The company's portfolio of diamond-bearing kimberlites spans Nunavut, Saskatchewan, and the Northwest Territories.'s portfolio of diamond-bearing kimberlites spans Nunavut, Saskatchewan, and the Northwest Territories.'s portfolio of diamond-bearing kimberlites spans Nunavut, Saskatchewan, and the Northwest Territories.'s portfolio of diamond-bearing kimberlites spans Nunavut, Saskatchewan, and the Northwest Territories.'s portfolio of diamond-bearing kimberlites spans Nunavut, Saskatchewan, and the Northwest Territories.
RJK Explorations Ltd.
RJK Explorations is a diamond exploration company focused on discovering the kimberlite source of the historic 800-carat Nipissing Diamond near Cobalt in Northern Ontario, one of the largest diamonds ever found in Canada. Founded in 1922, the company is one of Canada's longest-running mineral explorers, actively drilling kimberlite targets in the Cobalt silver camp area.'s longest-running mineral explorers, actively drilling kimberlite targets in the Cobalt silver camp area.'s longest-running mineral explorers, actively drilling kimberlite targets in the Cobalt silver camp area.'s longest-running mineral explorers, actively drilling kimberlite targets in the Cobalt silver camp area.'s longest-running mineral explorers, actively drilling kimberlite targets in the Cobalt silver camp area.
Arctic Star Exploration Corp.
Arctic Star Exploration is advancing the Diagras diamond joint venture in the Lac de Gras field of the Northwest Territories, 35 kilometres from the world-class Diavik diamond mine, where the company (81.5%) has discovered multiple diamond-bearing kimberlites. The company also holds the Timantti diamond project in Finland, providing exposure to two prospective kimberlite fields.
Diamcor Mining Inc.
Diamcor Mining is a Canadian diamond producer operating the Krone-Endora at Venetia project in South Africa's Limpopo province, located directly adjacent to De Beers' flagship Venetia Diamond Mine. The company has a strategic agreement with Tiffany & Co., which holds a first right of refusal to purchase rough diamond production from the property.'s Limpopo province, located directly adjacent to De Beers' flagship Venetia Diamond Mine. The company has a strategic agreement with Tiffany & Co., which holds a first right of refusal to purchase rough diamond production from the property.'s Limpopo province, located directly adjacent to De Beers' flagship Venetia Diamond Mine. The company has a strategic agreement with Tiffany & Co., which holds a first right of refusal to purchase rough diamond production from the property.'s Limpopo province, located directly adjacent to De Beers' flagship Venetia Diamond Mine. The company has a strategic agreement with Tiffany & Co., which holds a first right of refusal to purchase rough diamond production from the property.'s Limpopo province, located directly adjacent to De Beers' flagship Venetia Diamond Mine. The company has a strategic agreement with Tiffany & Co., which holds a first right of refusal to purchase rough diamond production from the property.
Tres-Or Resources Ltd.
Tres-Or Resources is advancing the Guigues kimberlite pipe in northwestern Québec, where sampling has revealed a diamond population comparable to De Beers' Victor Mine with over 76% high-value Type II (nitrogen-free) diamonds. The company also holds diamond exploration permits in Brazil through its subsidiary and a gold project in Québec.' Victor Mine with over 76% high-value Type II (nitrogen-free) diamonds. The company also holds diamond exploration permits in Brazil through its subsidiary and a gold project in Québec.' Victor Mine with over 76% high-value Type II (nitrogen-free) diamonds. The company also holds diamond exploration permits in Brazil through its subsidiary and a gold project in Québec.' Victor Mine with over 76% high-value Type II (nitrogen-free) diamonds. The company also holds diamond exploration permits in Brazil through its subsidiary and a gold project in Québec.' Victor Mine with over 76% high-value Type II (nitrogen-free) diamonds. The company also holds diamond exploration permits in Brazil through its subsidiary and a gold project in Québec.
Talmora Diamond Inc.
Talmora Diamond is a Canadian diamond exploration company with the Seahorse project in the Northwest Territories (held 50/50 with Olivut) and the Horton River project covering over 113,000 hectares near Paulatuk. Microdiamond recoveries have confirmed the diamond-bearing nature of both project areas, with the Seahorse target showing promising indicator mineral results.
Southstone Minerals Limited
Southstone Minerals is a Canadian diamond producer with its majority-owned African Star Minerals subsidiary operating the Oena alluvial diamond mine in South Africa's Northern Cape Province. The Oena mine produces high-value rough diamonds averaging over USD $1,600 per carat, with strong revenue driven by large 'special' diamonds exceeding 10.8 carats.'s Northern Cape Province. The Oena mine produces high-value rough diamonds averaging over USD 1,600 per carat, with strong revenue driven by large 'special' diamonds exceeding 10.8 carats.