Worldwide rough diamond production in 2019 slipped 6.8% in value terms to $13.47 billion, and dropped 12% in volume to 130.34 million carats, according to statistics released by the Kimberley Process (KP), the global monitoring system that was set up to prevent conflict diamonds. The average price of rough production in 2019 increased 6.1% to $103.41 per carat as miners targeted marginally higher grade ore.
Russia continued its multi-year streak as the world’s top diamond producer in terms of value and volume with an output of 45.27 million carats valued at $4.11 billion ($90.93 per carat).
The following top diamond producing countries in descending order were Botswana (28.68 million carats worth $3.43 billion), Canada (18.63 million carats worth $1.69 billion), Angola (9.1 million carats worth $1.26 billion), and Namibia (2.01 million carats worth $1.00 billion).
The world’s top rough importing nation in 2019, India’s rough diamond imports of 158.62 million carats valued at $14.08 billion had fallen 7% in volume terms and 18% in value terms on a year-on-year basis. Declines were also witnessed by the next highest rough importing countries, including Europe, UAE, China and Israel.
Global rough diamond exports in 2019 plunged 27% to $36.63 billion, and tumbled 13% in volume to 371.44 million carats.
Top 5 Rough Diamond Producing Countries in 2019 (by value)
| Country | Value, US$ | Volume, cts |
| Russian Federation | $4,11,65,99,277.57 | 4,52,71,212.01 |
| Botswana | $3,43,46,16,885.00 | 2,36,87,013.00 |
| Canada | $1,69,74,46,304.57 | 1,86,38,302.05 |
| Angola | $1,26,62,23,479.17 | 91,49,746.23 |
| Namibia | $1,00,95,48,119.20 | 2,018,098.69 |