1. South Africa, South Africa's diamonds are of good quality, large output, large particles and civilized. At present, the world's largest single-round round diamond "Cullinan" weighing 3,106 carats comes from the Premiere mine in South Africa. South Africa's diamond resources are very rich, with an annual output of more than 10 million carats, usually with an annual output of 800-1000 million carats, ranking fifth in the world, of which gem-grade diamonds account for 35%, which is one of the countries with the highest diamond output value in the world. 2. Botswana, Botswana is the world's emerging diamond kingdom, known for its high-end luxury diamonds. Its industrial reserves and reserves account for 13% and 15% of the world respectively, and various diamond reserves are nearly 400 million carats, ranking third in the world. Among them, gem-grade and near-gem-quality diamond resources rank second in the world. Botswana's diamonds are mainly distributed in the Kalahari area near South Africa and Zimbabwe. There are currently three major diamond mines in production: the Orapa Diamond Mine, the Diamond Diamond Mine and the Letra Cana Diamond Mine. 3. Russia, Russia is also one of the most important diamond producing countries in the world, and its reserves rank third in the world. Primary diamond is the main source of Russian diamond, accounting for more than 90% of its diamond production. The main deposits are distributed in central Siberia. At present, the mines being produced in Russia are mainly under the jurisdiction of Yakutsk Diamond Company. The company is a joint-stock company of Russia and Kazakhstan. The state investment accounts for about 3%, and the diamonds produced account for about a quarter of the world's production. 4. Australia, in Oceania, Australia found a huge potassium-magnesium lamprophyre-type diamond deposit in the late 1970s, becoming the most important source of world diamonds in the 20th century. From 1990 to 1992, Australia produced 34.4 million carats of diamonds per year, but the general quality was relatively poor. Among them, the quasi-gem grade accounted for 38%, the industrial grade accounted for 56%, and the average price per carat was 6 dollars. At present, Australia's diamonds are mainly from the Argyle mine in Western Australia and the Kempton mine in East Australia. 5. Congo, in the 1980s, Congo became the world's leading supplier of diamonds, with an annual output of about 20 million carats of diamonds, of which gems were 5% to 6%, and quasi-gems were 40%. Production is second only to Australia and is one of the most important sources of gem-quality diamonds in the world. Congo's primary diamond deposits are mainly distributed in the Bush Mai area, as long as the deposits are the Kibbutz and Mbujiwani deposits. The diamond sand mine is mainly distributed near Bush Mayi and Kaisai River, Bush Ma Yi River Basin. Rib Fabric,Baby Rib Fabric,Beige Rib Fabric,Brushed Rib Fabric LESS'MORE , https://www.lessmorefabric.com
