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Small rough diamonds from Russia. Crystals are about 0.7 to 0.9 mm in size. There are a limited number of commercially available diamond mines currently operating in the world, with the 50 largest mines accounting for approximately 90% of global supply. [1]
This is a partial list of the largest non-synthetic diamonds with a rough stone (uncut) weight of over 200 carats (40 grams). [1] The list is not intended to be complete—e.g., the Cullinan (formerly Premier) mine alone has produced 135 diamonds larger than 200 carats since mining commenced.
debswana.com. The Orapa diamond mine is the world's largest diamond mine by area. The mine is located in Orapa, a town in the Central District of Botswana about 240 km (150 mi) west of the city of Francistown. Orapa ("resting place for lions") is owned by Debswana, a partnership between the De Beers company and the government of Botswana. [ 1]
Wikipedia is a free online encyclopedia that anyone can edit and contribute to. It contains millions of articles in hundreds of languages, covering various topics and domains. Learn more about the list of most-visited websites on Wikipedia, and discover how popular and influential they are in the world.
Blood diamonds (also called conflict diamonds, brown diamonds, hot diamonds, or red diamonds) are diamonds mined in a war zone and sold to finance an insurgency, an invading army's war efforts, terrorism, or a warlord's activity. The term is used to highlight the negative consequences of the diamond trade in certain areas, or to label an ...
Carats: What a Diamond Weighs. The weight of a diamond is one of these variables that determines a diamond’s worth and is what the general public is most familiar with. The unit of measurement ...
Estimated value. Insured for £100,000,000. The Millennium Star is a diamond owned by De Beers. At 203.04 carats (40.608 g), it is the world's second-largest known top-color (grade D, i.e., colorless), internally and externally flawless, pear-shaped diamond. The diamond was discovered in the Mbuji-Mayi district of Zaire in 1990 in alluvial ...
The drop in the value of diamonds on the world market meant that the value of diamond exports decreased by 20.68 percent in 2009 compared to 2008. [16] The largest diamond found in Sierra Leone, and the third largest diamond in the world, was a 969.8-carat (194 g) rough diamond. It was found in 1972 and named the An-al of Sierra Leone. [5] [18]