A map shows diamond mining locations marked by red outlined circles with "D." Key areas include the U S (Oregon, Arkansas), Venezuela, Brazil, Africa (Guinea, Sierra Leone, Angola, Botswana, South Africa), Tanzania, Indonesia (Borneo), and Australia.
Diamond Mines | Value | 280 and above | 260–279 | 240–259 | 220–239 | 200–219 | 180–199 | 160–179 | 140–159 | 120–139 | 100–119 | 80–99 | Less than 80 | Class | Rank | Percent | Value | 1.5 to 2 | 2 to 2.5 | 2.5 to 3 | 3 to 3.5 | 3.5 to 4 | 4 to 4.5 | 4.5 to 5 | 5 to 5.5 | 5.5 to 6 | 6 to 6.5 | 6.5 to 7 | 7 to 7.5 | 7.5 and above | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
30.3% | 51.5% | 53.3% | 37.8% | 31.4% | 29.4% | 3.01% | 97.5% | 38.3% | 77.0% | 13.0% | |||||||||||||||||||||
53.8% | 71.3% | 64.6% | 100% | 74.6% | 99.5% | 2.62% | |||||||||||||||||||||||||
22.2% | 39.2% | 38.8% | 23.0% | 48.3% | 29.3% | 6.73% | 32.2% | 58.2% | 18.2% | ||||||||||||||||||||||
24.2% | 10.8% | 32.1% | 20.0% | 10.7% | 8.82% | 12.8% | 18.4% | 19.1% | 52.3% | 3.56% | |||||||||||||||||||||
67.9% | 1.54% | 1.15% | 23.6% | 32.7% | 37.1% | 3.32% | 29.9% | 16.0% | 3.72% | 18.3% | 28.4% | 3.94% | 1.37% | 7.57% | 1.55% | 1.15% | |||||||||||||||
100% | 3.17% | 20.4% | 20.7% | 37.8% | 46.8% | 34.8% | 33.8% | 79.7% | 12.5% | 6.70% | 50.6% | 13.0% | 22.5% | 40.1% | 39.7% | 20.7% | 16.6% | 5.49% | 7.51% | 6.84% | 5.96% | 8.15% | |||||||||
59 | 8.19% | 16.7% | 28.7% | 36.0% | 25.2% | 9.12% | 9.14% | 13.1% | 5.18% | 16.6% | 15.9% | 18.1% | 29.5% | 37.8% | 3.62% | ||||||||||||||||
39.9% | 47.7% | 8.87% | 62.1% | 61.7% | 100% | 1.47% | 98.6% | 100% | 99.6% | 73.4% | 2.76% | 8.78% | 33.2% | 43.7% | 22.1% | 22.0% | 14.0% | 8.35% | 3.25% | 2.73% | |||||||||||
2 | 16.8% | 5.48% | 11.6% | 14.6% | 1.79% | 17.2% | 14.4% | 23.3% | 28.2% | 21.2% | 2.71% | 1.76% | 7.47% | 19.6% | 28.3% | 10.8% | 10.9% | 8.87% | 8.41% | 1.84% | |||||||||||
4.91% | 9.95% | 44.8% | 47.2% | 4.27% | 7.25% | 44.7% | 25.0% | 11.6% | 1.25% | ||||||||||||||||||||||
1 | 44.2% | 25.1% | 71.7% | 52.1% | 38.9% | 43.5% | |||||||||||||||||||||||||
44.5% | 47.7% | 12.8% | 13.5% | 24.0% | 29.3% | 1.33% | 7.15% | 23.2% | 44.0% | 48.4% | |||||||||||||||||||||
2.6666666666666665 | 3.98% | 12.4% | 32.2% | 38.6% | 22.5% | 44.2% | 32.5% | 6.04% | 34.1% | 49.1% | 46.0% | 29.1% |
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