| Years | Gemstones | Industrial | Total |
|---|---|---|---|
| 2024 | 2,271,000 carats [ 42.53% ] | 3,069,000 carats [ 57.47% ] | 5,340,000 carats |
| 2023 | 2,433,000 carats [ 41.29% ] | 3,459,000 carats [ 58.71% ] | 5,892,000 carats |
| 2022 | 4,213,000 carats [ 43.61% ] | 5,447,000 carats [ 56.39% ] | 9,660,000 carats |
| 2021 | 4,494,000 carats [ 46.24% ] | 5,224,000 carats [ 53.76% ] | 9,718,000 carats |
| 2020 | 4,160,000 carats [ 49.07% ] | 4,318,000 carats [ 50.93% ] | 8,478,000 carats |
| 2019 | 2,904,000 carats [ 40.44% ] | 4,277,000 carats [ 59.56% ] | 7,181,000 carats |
| 2018 | 7,927,000 carats [ 80.00% ] | 1,982,000 carats [ 20.00% ] | 9,909,000 carats |
| 2017 | 3,880,000 carats [ 40.00% ] | 5,820,000 carats [ 60.00% ] | 9,700,000 carats |
| 2016 | 3,320,000 carats [ 40.00% ] | 4,980,000 carats [ 60.00% ] | 8,300,000 carats |
| 2015 | 5,780,000 carats [ 80.06% ] | 1,440,000 carats [ 19.94% ] | 7,220,000 carats |
| 2014 | 5,950,000 carats [ 79.97% ] | 1,490,000 carats [ 20.03% ] | 7,440,000 carats |
| 2013 | 6,520,000 carats [ 80.00% ] | 1,630,000 carats [ 20.00% ] | 8,150,000 carats |
| 2012 | 2,830,000 carats [ 39.99% ] | 4,246,000 carats [ 60.01% ] | 7,076,000 carats |
| 2011 | 2,800,000 carats [ 40.00% ] | 4,200,000 carats [ 60.00% ] | 7,000,000 carats |
| 2010 | 3,500,000 carats [ 39.33% ] | 5,400,000 carats [ 60.67% ] | 8,900,000 carats |
| 2009 | 2,400,000 carats [ 43.64% ] | 3,100,000 carats [ 56.36% ] | 5,500,000 carats |
| 2008 | 5,200,000 carats [ 40.31% ] | 7,700,000 carats [ 59.69% ] | 12,900,000 carats |
| 2007 | 6,100,000 carats [ 40.13% ] | 9,100,000 carats [ 59.87% ] | 15,200,000 carats |
| 2006 | 6,240,000 carats [ 40.60% ] | 9,130,000 carats [ 59.40% ] | 15,370,000 carats |
| 2005 | 5,780,000 carats [ 38.13% ] | 9,380,000 carats [ 61.87% ] | 15,160,000 carats |
| 2004 | 5,780,000 carats [ 40.48% ] | 8,500,000 carats [ 59.52% ] | 14,280,000 carats |
| 2003 | 5,144,000 carats [ 40.56% ] | 7,540,000 carats [ 59.44% ] | 12,684,000 carats |
| 2002 | 4,351,000 carats [ 40.00% ] | 6,526,000 carats [ 60.00% ] | 10,877,000 carats |
| 2001 | 4,465,000 carats [ 40.00% ] | 6,698,000 carats [ 60.00% ] | 11,163,000 carats |
| 2000 | 4,233,000 carats [ 40.00% ] | 6,350,000 carats [ 60.00% ] | 10,583,000 carats |
| 1999 | 4,000,000 carats [ 40.00% ] | 6,000,000 carats [ 60.00% ] | 10,000,000 carats |
| 1998 | 4,300,000 carats [ 39.96% ] | 6,460,000 carats [ 60.04% ] | 10,760,000 carats |
| 1997 | 4,380,000 carats [ 43.07% ] | 5,790,000 carats [ 56.93% ] | 10,170,000 carats |
| 1996 | 4,280,000 carats [ 43.02% ] | 5,670,000 carats [ 56.98% ] | 9,950,000 carats |
| 1995 | 5,070,000 carats [ 46.30% ] | 5,880,000 carats [ 53.70% ] | 10,950,000 carats |
| 1994 | 5,050,000 carats [ 46.54% ] | 5,800,000 carats [ 53.46% ] | 10,850,000 carats |
| 1993 | 4,600,000 carats [ 44.66% ] | 5,700,000 carats [ 55.34% ] | 10,300,000 carats |
| Total Production | 144,355,000 carats [ 45.59% ] | 172,306,000 carats [ 54.41% ] | 316,661,000 carats |
| Gemstones = Jewelry Quality --- Industrial = Industrial Quality | |||