Diamonds Quality

Quality of diamonds (Classification of 19 producer countries)

Sort by better quality
Angola 1
Namibia 2
Russia 3
South Africa 4
Botswana 5
China 6
Sierra Leone 7
Canada 8
Central African Rep. 9
Guinea 10
Lesotho 11
Dem. Rep. of Congo 12
Tanzania 13
Venezuela 14
Australia 15
Brazil 16
Ghana 17
Guyana 18
Liberia 19

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