| Years | Gemstones | Industrial | Total |
|---|---|---|---|
| 2024 | 456,000 carats [ 79.44% ] | 118,000 carats [ 20.56% ] | 574,000 carats |
| 2023 | 403,000 carats [ 76.76% ] | 122,000 carats [ 23.24% ] | 525,000 carats |
| 2022 | 489,000 carats [ 70.97% ] | 200,000 carats [ 29.03% ] | 689,000 carats |
| 2021 | 608,000 carats [ 72.47% ] | 231,000 carats [ 27.53% ] | 839,000 carats |
| 2020 | 477,000 carats [ 74.41% ] | 164,000 carats [ 25.59% ] | 641,000 carats |
| 2019 | 597,000 carats [ 73.52% ] | 215,000 carats [ 26.48% ] | 812,000 carats |
| 2018 | 593,000 carats [ 80.03% ] | 148,000 carats [ 19.97% ] | 741,000 carats |
| 2017 | 231,000 carats [ 79.93% ] | 58,000 carats [ 20.07% ] | 289,000 carats |
| 2016 | 439,000 carats [ 79.96% ] | 110,000 carats [ 20.04% ] | 549,000 carats |
| 2015 | 400,000 carats [ 80.00% ] | 100,000 carats [ 20.00% ] | 500,000 carats |
| 2014 | 496,000 carats [ 80.00% ] | 124,000 carats [ 20.00% ] | 620,000 carats |
| 2013 | 487,000 carats [ 79.97% ] | 122,000 carats [ 20.03% ] | 609,000 carats |
| 2012 | 406,000 carats [ 75.05% ] | 135,000 carats [ 24.95% ] | 541,000 carats |
| 2011 | 280,000 carats [ 70.00% ] | 120,000 carats [ 30.00% ] | 400,000 carats |
| 2010 | 240,000 carats [ 60.00% ] | 160,000 carats [ 40.00% ] | 400,000 carats |
| 2009 | 200,000 carats [ 66.67% ] | 100,000 carats [ 33.33% ] | 300,000 carats |
| 2008 | 220,000 carats [ 59.46% ] | 150,000 carats [ 40.54% ] | 370,000 carats |
| 2007 | 360,000 carats [ 60.00% ] | 240,000 carats [ 40.00% ] | 600,000 carats |
| 2006 | 360,000 carats [ 58.82% ] | 252,000 carats [ 41.18% ] | 612,000 carats |
| 2005 | 318,000 carats [ 45.95% ] | 374,000 carats [ 54.05% ] | 692,000 carats |
| 2004 | 318,000 carats [ 45.95% ] | 374,000 carats [ 54.05% ] | 692,000 carats |
| 2003 | 233,000 carats [ 45.96% ] | 274,000 carats [ 54.04% ] | 507,000 carats |
| 2002 | 162,000 carats [ 46.02% ] | 190,000 carats [ 53.98% ] | 352,000 carats |
| 2001 | 102,000 carats [ 45.95% ] | 120,000 carats [ 54.05% ] | 222,000 carats |
| 2000 | 220,000 carats [ 73.33% ] | 80,000 carats [ 26.67% ] | 300,000 carats |
| 1999 | 225,000 carats [ 75.00% ] | 75,000 carats [ 25.00% ] | 300,000 carats |
| 1998 | 50,000 carats [ 62.50% ] | 30,000 carats [ 37.50% ] | 80,000 carats |
| 1997 | 110,000 carats [ 55.00% ] | 90,000 carats [ 45.00% ] | 200,000 carats |
| 1996 | 162,000 carats [ 60.00% ] | 108,000 carats [ 40.00% ] | 270,000 carats |
| 1995 | 113,000 carats [ 52.80% ] | 101,000 carats [ 47.20% ] | 214,000 carats |
| 1994 | 155,000 carats [ 60.78% ] | 100,000 carats [ 39.22% ] | 255,000 carats |
| 1993 | 90,000 carats [ 56.96% ] | 68,000 carats [ 43.04% ] | 158,000 carats |
| Total Production | 10,000,000 carats [ 67.33% ] | 4,853,000 carats [ 32.67% ] | 14,853,000 carats |
| Gemstones = Jewelry Quality --- Industrial = Industrial Quality | |||