Gemstones
World gem-quality natural diamond mine production and reserves, 2024–2025
Share of world gem-quality natural diamond mine production, 2025 · world total 69 million carats
- Russia 30%
- Angola 19%
- Botswana 19%
- Canada 19%
- Namibia 3.3%
- South Africa 3%
- DR Congo 2.9%
- Lesotho 1%
- All other countries 2.8%
Russia accounted for 30% of world gem-quality natural diamond mine production in 2025 (21 million carats). Net imports covered 99% of U.S. gemstones consumption in 2025. U.S. imports of gemstones fell from 24,600 million dollars in 2021 to 11,000 million dollars in 2025. The three largest producers, Russia, Angola, and Botswana, together supplied 68%.
Producer log
13 countries listed separately
| Country | Gem-quality natural diamond mine production 2024 | Gem-quality natural diamond mine production 2025 | Share of world 2025 | Change on 2024 | Gem-quality diamond reserves |
|---|---|---|---|---|---|
| Russia | 20,900 | 21,000 | 30% | +0.5% | 750,000 |
| Angola | 12,600 | 13,000 | 19% | +3.2% | 150,000 |
| Botswana | 12,700 | 13,000 | 19% | +2.4% | 250,000 |
| Canada | 13,300 | 13,000 | 19% | −2.3% | 110,000 |
| Namibia | 2,320 | 2,300 | 3.3% | −0.9% | not available |
| South Africa | 2,140 | 2,100 | 3% | −1.9% | 87,000 |
| DR Congo | 1,960 | 2,000 | 2.9% | +2% | 150,000 |
| Lesotho | 696 | 700 | 1% | +0.6% | not available |
| Zimbabwe | 529 | 530 | 0.8% | +0.2% | 56,000 |
| Sierra Leone | 459 | 460 | 0.7% | +0.2% | not available |
| Ghana | 333 | 330 | 0.5% | −0.9% | not available |
| Tanzania | 318 | 320 | 0.5% | +0.6% | not available |
| United States | 0 | 0 | not available | ||
| Other countries | 324 | 320 | 0.5% | 120,000 | |
| World total | 68,600 | 69,000 | 100% | +0.6% | more than 2,000,000 |
United States
supply, trade and import sources
99%
Net import reliance in 2025, as a percentage of apparent consumption.
202199
202299
202399
202499
202599
Import sources of diamond, 2021–24, by value
- India 46%
- Israel 27%
- Belgium 11%
- South Africa 4%
- Other countries 12%
| Item | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Production: Natural | 9.48 | 9.95 | 10.0 | 9.25 | 9.4 |
| Production: Laboratory-created (synthetic) | 79.3 | 87.1 | 64.6 | 56.8 | 37 |
| Imports for consumption | 24,600 | 28,700 | 24,200 | 19,600 | 11,000 |
| Exports, excluding reexports | 992 | 1,890 | 3,610 | 2,110 | 1,700 |
| Consumption, apparent | 23,700 | 26,900 | 21,300 | 17,600 | 9,300 |
Source: USGS Mineral Commodity Summaries 2026, Gemstones chapter (PDF page 94). How to read these figures.