Burgundy Diamond Mines Limited, a resources company, focuses on the mining, production, cutting, Diamond polishing, grading, and sale of diamonds. It operates through Rough Diamond and Polished segments. The Rough Diamond segment engages in the mining, sale, and marketing of rough diamonds. Its Polished Diamond segment engages in the manufacture, sale, and marketing of polished diamonds. The company owns 100% of the Ekati diamond mine located in the Lac de Gras region of the northwest territories of Canada. It also holds 40% interest in the Naujaat diamond project located nine kilometers from the Naujaat community in Nunavut, Canada. The company was formerly known as EHR Resources Limited and changed its name to Burgundy Diamond Mines Limited in November 2020. Burgundy Diamond Mines Limited was incorporated in 2012 and is based in Perth, Australia.