The Baken diamond mine is a diamond mine located along the lower Orange River in South Africa. The mine is owned and operated by Trans Hex. The central processing plant has been operational at Baken since 2001.
In 2004 the Baken mine produced 88,063 carats (17.6126 kg); average stone size for the year was 1.29 carats (258 g). Notable stones from production in 2004 included a 78.9 carat (15.78 g), D color flawless diamond that sold for over $1.8 million USD; and a 27.67 carat (5.534 g) pink diamond sold for over $1.0 million USD.
Probable reserves are 21.2 million cubic meters of ore at an ore grade of 1.69 carats per 100 cubic meters (3.38 mg/m³). There is a waste rock overburden of about 33 million cubic meters.