| Years | Gemstones | Industrial | Total |
|---|---|---|---|
| 2024 | 266,000 carats [ 79.88% ] | 67,000 carats [ 20.12% ] | 333,000 carats |
| 2023 | 154,000 carats [ 75.86% ] | 49,000 carats [ 24.14% ] | 203,000 carats |
| 2022 | 62,000 carats [ 74.70% ] | 21,000 carats [ 25.30% ] | 83,000 carats |
| 2021 | 41,000 carats [ 74.55% ] | 14,000 carats [ 25.45% ] | 55,000 carats |
| 2020 | 21,000 carats [ 77.78% ] | 6,000 carats [ 22.22% ] | 27,000 carats |
| 2019 | 29,000 carats [ 78.38% ] | 8,000 carats [ 21.62% ] | 37,000 carats |
| 2018 | 54,000 carats [ 100.00% ] | 0.00 carat [ 0.00% ] | 54,000 carats |
| 2017 | 82,000 carats [ 100.00% ] | 0.00 carat [ 0.00% ] | 82,000 carats |
| 2016 | 142,000 carats [ 100.00% ] | 0.00 carat [ 0.00% ] | 142,000 carats |
| 2015 | 174,000 carats [ 100.00% ] | 0.00 carat [ 0.00% ] | 174,000 carats |
| 2014 | 242,000 carats [ 100.00% ] | 0.00 carat [ 0.00% ] | 242,000 carats |
| 2013 | 169,000 carats [ 100.00% ] | 0.00 carat [ 0.00% ] | 169,000 carats |
| 2012 | 233,000 carats [ 79.52% ] | 60,000 carats [ 20.48% ] | 293,000 carats |
| 2011 | 300,000 carats [ 89.02% ] | 37,000 carats [ 10.98% ] | 337,000 carats |
| 2010 | 267,000 carats [ 79.94% ] | 67,000 carats [ 20.06% ] | 334,000 carats |
| 2009 | 500,000 carats [ 80.65% ] | 120,000 carats [ 19.35% ] | 620,000 carats |
| 2008 | 520,000 carats [ 81.25% ] | 120,000 carats [ 18.75% ] | 640,000 carats |
| 2007 | 720,000 carats [ 80.00% ] | 180,000 carats [ 20.00% ] | 900,000 carats |
| 2006 | 780,000 carats [ 80.41% ] | 190,000 carats [ 19.59% ] | 970,000 carats |
| 2005 | 760,000 carats [ 75.02% ] | 253,000 carats [ 24.98% ] | 1,013,000 carats |
| 2004 | 690,000 carats [ 75.00% ] | 230,000 carats [ 25.00% ] | 920,000 carats |
| 2003 | 675,000 carats [ 75.00% ] | 225,000 carats [ 25.00% ] | 900,000 carats |
| 2002 | 770,000 carats [ 79.96% ] | 193,000 carats [ 20.04% ] | 963,000 carats |
| 2001 | 936,000 carats [ 80.00% ] | 234,000 carats [ 20.00% ] | 1,170,000 carats |
| 2000 | 640,000 carats [ 80.00% ] | 160,000 carats [ 20.00% ] | 800,000 carats |
| 1999 | 640,000 carats [ 80.00% ] | 160,000 carats [ 20.00% ] | 800,000 carats |
| 1998 | 640,000 carats [ 80.00% ] | 160,000 carats [ 20.00% ] | 800,000 carats |
| 1997 | 140,000 carats [ 20.00% ] | 560,000 carats [ 80.00% ] | 700,000 carats |
| 1996 | 142,000 carats [ 19.86% ] | 573,000 carats [ 80.14% ] | 715,000 carats |
| 1995 | 126,000 carats [ 19.97% ] | 505,000 carats [ 80.03% ] | 631,000 carats |
| 1994 | 118,000 carats [ 19.97% ] | 473,000 carats [ 80.03% ] | 591,000 carats |
| 1993 | 106,000 carats [ 17.97% ] | 484,000 carats [ 82.03% ] | 590,000 carats |
| Total Production | 11,139,000 carats [ 68.39% ] | 5,149,000 carats [ 31.61% ] | 16,288,000 carats |
| Gemstones = Jewelry Quality --- Industrial = Industrial Quality | |||