| Years | Gemstones | Industrial | Total |
|---|---|---|---|
| 2024 | 951,000 carats [ 17.97% ] | 4,342,000 carats [ 82.03% ] | 5,293,000 carats |
| 2023 | 643,000 carats [ 13.09% ] | 4,271,000 carats [ 86.91% ] | 4,914,000 carats |
| 2022 | 824,000 carats [ 18.47% ] | 3,637,000 carats [ 81.53% ] | 4,461,000 carats |
| 2021 | 436,000 carats [ 10.32% ] | 3,789,000 carats [ 89.68% ] | 4,225,000 carats |
| 2020 | 401,000 carats [ 15.01% ] | 2,270,000 carats [ 84.99% ] | 2,671,000 carats |
| 2019 | 419,000 carats [ 19.88% ] | 1,689,000 carats [ 80.12% ] | 2,108,000 carats |
| 2018 | 326,000 carats [ 10.01% ] | 2,930,000 carats [ 89.99% ] | 3,256,000 carats |
| 2017 | 251,000 carats [ 10.00% ] | 2,260,000 carats [ 90.00% ] | 2,511,000 carats |
| 2016 | 210,000 carats [ 10.00% ] | 1,890,000 carats [ 90.00% ] | 2,100,000 carats |
| 2015 | 349,000 carats [ 10.00% ] | 3,140,000 carats [ 90.00% ] | 3,489,000 carats |
| 2014 | 477,000 carats [ 10.01% ] | 4,290,000 carats [ 89.99% ] | 4,767,000 carats |
| 2013 | 1,040,000 carats [ 9.99% ] | 9,370,000 carats [ 90.01% ] | 10,410,000 carats |
| 2012 | 11,000,000 carats [ 90.91% ] | 1,100,000 carats [ 9.09% ] | 12,100,000 carats |
| 2011 | 7,730,000 carats [ 90.90% ] | 774,000 carats [ 9.10% ] | 8,504,000 carats |
| 2010 | 7,670,000 carats [ 90.90% ] | 768,000 carats [ 9.10% ] | 8,438,000 carats |
| 2009 | 876,000 carats [ 90.87% ] | 88,000 carats [ 9.13% ] | 964,000 carats |
| 2008 | 725,000 carats [ 90.85% ] | 73,000 carats [ 9.15% ] | 798,000 carats |
| 2001 | 5,000 carats [ 33.33% ] | 10,000 carats [ 66.67% ] | 15,000 carats |
| 1998 | 40,000 carats [ 57.14% ] | 30,000 carats [ 42.86% ] | 70,000 carats |
| 1997 | 321,000 carats [ 76.25% ] | 100,000 carats [ 23.75% ] | 421,000 carats |
| 1996 | 300,000 carats [ 68.65% ] | 137,000 carats [ 31.35% ] | 437,000 carats |
| 1995 | 114,000 carats [ 55.88% ] | 90,000 carats [ 44.12% ] | 204,000 carats |
| 1994 | 104,000 carats [ 60.12% ] | 69,000 carats [ 39.88% ] | 173,000 carats |
| 1993 | 26,000 carats [ 59.09% ] | 18,000 carats [ 40.91% ] | 44,000 carats |
| Total Production | 35,238,000 carats [ 42.78% ] | 47,135,000 carats [ 57.22% ] | 82,373,000 carats |
| Gemstones = Jewelry Quality --- Industrial = Industrial Quality | |||