| Years | Gemstones | Industrial | Total |
|---|---|---|---|
| 2024 | 1,000 carats [ 100.00% ] | 0.00 carat [ 0.00% ] | 1,000 carats |
| 2023 | 1,000 carats [ 50.00% ] | 1,000 carats [ 50.00% ] | 2,000 carats |
| 2022 | 3,000 carats [ 75.00% ] | 1,000 carats [ 25.00% ] | 4,000 carats |
| 2021 | 3,000 carats [ 75.00% ] | 1,000 carats [ 25.00% ] | 4,000 carats |
| 2020 | 3,000 carats [ 75.00% ] | 1,000 carats [ 25.00% ] | 4,000 carats |
| 2019 | 3,000 carats [ 75.00% ] | 1,000 carats [ 25.00% ] | 4,000 carats |
| 2018 | 6,000 carats [ 100.00% ] | 0.00 carat [ 0.00% ] | 6,000 carats |
| 2017 | 7,000 carats [ 100.00% ] | 0.00 carat [ 0.00% ] | 7,000 carats |
| 2016 | 20,000 carats [ 100.00% ] | 0.00 carat [ 0.00% ] | 20,000 carats |
| 2015 | 15,000 carats [ 100.00% ] | 0.00 carat [ 0.00% ] | 15,000 carats |
| 2014 | 1,000 carats [ 100.00% ] | 0.00 carat [ 0.00% ] | 1,000 carats |
| 2009 | 210,000 carats [ 70.00% ] | 90,000 carats [ 30.00% ] | 300,000 carats |
| 2008 | 210,000 carats [ 70.00% ] | 90,000 carats [ 30.00% ] | 300,000 carats |
| 2007 | 210,000 carats [ 70.00% ] | 90,000 carats [ 30.00% ] | 300,000 carats |
| 2006 | 200,000 carats [ 66.89% ] | 99,000 carats [ 33.11% ] | 299,000 carats |
| 2005 | 201,000 carats [ 67.00% ] | 99,000 carats [ 33.00% ] | 300,000 carats |
| 2004 | 201,000 carats [ 67.00% ] | 99,000 carats [ 33.00% ] | 300,000 carats |
| 2003 | 154,000 carats [ 66.96% ] | 76,000 carats [ 33.04% ] | 230,000 carats |
| 2002 | 205,000 carats [ 66.99% ] | 101,000 carats [ 33.01% ] | 306,000 carats |
| 2001 | 207,000 carats [ 66.99% ] | 102,000 carats [ 33.01% ] | 309,000 carats |
| 2000 | 200,000 carats [ 66.67% ] | 100,000 carats [ 33.33% ] | 300,000 carats |
| 1999 | 210,000 carats [ 67.74% ] | 100,000 carats [ 32.26% ] | 310,000 carats |
| 1998 | 207,000 carats [ 67.43% ] | 100,000 carats [ 32.57% ] | 307,000 carats |
| 1997 | 207,000 carats [ 67.43% ] | 100,000 carats [ 32.57% ] | 307,000 carats |
| 1996 | 202,000 carats [ 66.89% ] | 100,000 carats [ 33.11% ] | 302,000 carats |
| 1995 | 53,000 carats [ 70.67% ] | 22,000 carats [ 29.33% ] | 75,000 carats |
| Total Production | 2,940,000 carats [ 68.17% ] | 1,373,000 carats [ 31.83% ] | 4,313,000 carats |
| Gemstones = Jewelry Quality --- Industrial = Industrial Quality | |||