Murowa diamond mine Murowa's production will fetch an average price of $65 USD per carat (325 $/g). Murowa diamond mine The Murowa diamond mine is a diamond mine located in Mazvihwa, south central Zimbabwe, about 40 kilometres from the asbestos mining town of Zvishavane in the Midlands province. The mine is majority owned and operated by the Rio Tinto Group, which also owns the Argyle diamond mine in Australia and part of the Diavik Diamond Mine in Canada. The mine is a combination of open pit and underground construction; current estimates put construction costs at $61 million USD and mine reserves are 19
Ekati Diamond Mine 62-million-year-old kimberlite pipes (Creaser et al., 2004) of the Lac de Gras kimberlite field, most of which lie underneath shallow lakes. Between 1998 and 2009, the mine has produced 40 million carats () of diamonds out of six open pits. As the high grade ore close to surface was depleted, development was completed to access the ore utilizing underground methods. Currently, there is one underground operation (Koala) with open-cut mining occurring in Fox Pit. The mine's current annual production is estimated to be approximately 7.5 million carats () of diamonds. Ekati supplies rough diamonds to the global market through its