10 Biggest diamond companies in the world

The diamond industry is dominated by a few key players, and several major companies are known for their significant influence in the market. Here are ten of the biggest diamond companies in the world, based on their market presence, production, and influence:

De Beers Group: One of the most well-known names in the diamond industry, De Beers has been a major player in diamond mining, trading, and retail for over a century.
Alrosa: Based in Russia, Alrosa is the world’s largest diamond producer by volume. The company controls a significant share of the global diamond supply.
Rio Tinto: An international mining giant, Rio Tinto has substantial diamond mining operations through its subsidiary, Rio Tinto Diamonds. Notable mines include Argyle and Diavik.
Dominion Diamond Mines: Previously known as Dominion Diamond Corporation, this company owns and operates the Ekati and Diavik diamond mines in Canada.
Petra Diamonds: This UK-based company is known for its high-quality diamond mining operations in Africa, including the Cullinan, Finsch, and Koffiefontein mines.
Lucara Diamond Corporation: Lucara, based in Canada, operates the Karowe mine in Botswana, known for producing high-quality, large diamonds.
Gem Diamonds: A leading diamond mining company with operations in Africa, Gem Diamonds focuses on producing high-value diamonds from its Letseng and Ghaghoo mines.
Stornoway Diamond Corporation: Based in Canada, Stornoway operates the Renard Diamond Project in Quebec, which is a significant source of rough diamonds.
Sarine Technologies: While not a mining company, Sarine Technologies is a major player in the diamond industry, specializing in the technology and equipment used for cutting, grading, and tracking diamonds.
James Allen (Signet Jewelers): Signet Jewelers, the parent company of James Allen, operates a significant retail presence in the diamond market, offering a wide range of diamonds and jewelry through both physical stores and online platforms.