|Kimberley Process Certification Scheme||Enlarge|
|2011 Diamond exports by value|
Russia held the top spot on a list of diamond-producing countries, churning out almost 35 million carats for $2.67 billion. The average cost of a carat in Russia in 2011 was $76, 11% more than in 2010. Botswana, however, made the most money on diamond sales in 2011 with $3.9 billion from 22.9 million carats, for an average per-carat cost of $170, 45% higher than in 2010.
Canada, South Africa and Angola round out the top five on the list of diamond-producing countries, followed by the Democratic Republic of Congo, Zimbabwe and Australia, according to Rough and Polished.