how much of the world's diamonds does de beers own
33% in 2013
title: De Beers text: fixing and trust behaviour, and was accused of not releasing industrial diamonds for the U.S. war effort during World War II. In 2011, Anglo American took control of De Beers after buying the Oppenheimer's family stake of 40 percent for US$5.1 billion (£3.2 billion) and increasing its stake to 85 percent, ending the 80-year Oppenheimer control of the company. In 2018, De Beers became the first diamond company to announce that it would track its diamonds using blockchain technology, though this technology has not yet been rolled out. The name 'De Beers' was derived from the two Dutch settlers and title: De Beers text: De Beers De Beers Group is an international corporation that specialises in diamond exploration, diamond mining, diamond retail, diamond trading and industrial diamond manufacturing sectors. The company is currently active in open-pit, large-scale alluvial, coastal and deep sea mining. It operates in 35 countries and mining takes place in Botswana, Namibia, South Africa and Canada. Until the start of the 21st century, De Beers effectively had total control over the diamond market as a monopoly. Competition has since dismantled the complete monopoly, though the De Beers Group still sells approximately 35% of the world's rough diamond production through its global title: De Beers text: De Beers De Beers Group is an international corporation that specialises in diamond exploration, diamond mining, diamond retail, diamond trading and industrial diamond manufacturing sectors. The company is currently active in open-pit, large-scale alluvial, coastal and deep sea mining. It operates in 35 countries and mining takes place in Botswana, Namibia, South Africa and Canada. Until the start of the 21st century, De Beers effectively had total control over the diamond market as a monopoly. Competition has since dismantled the complete monopoly, though the De Beers Group still sells approximately 35% of the world's rough diamond production through its global title: De Beers text: awareness of blood diamonds that forced De Beers to "avoid the risk of bad publicity" by limiting sales to its own mined products. De Beers' market share of rough diamonds fell from as high as 90% in the 1980s to 33% in 2013, because of a more fragmented diamond market bringing greater competition, as well as more transparency and greater liquidity. In November 2011, the Oppenheimer family announced its intention to sell all its 40% stake in De Beers to Anglo American plc, thereby increasing Anglo American's ownership of the company to 85% (the other 15% is owned by the title: De Beers text: Anglo American plc and CHL Holdings announced their agreement for Anglo American to acquire an incremental interest in De Beers, increasing Anglo American's 45% shareholding in the world's leading diamond company to 85%. De Beers plc was originally incorporated as De Beers Société Anonyme in 2000 in Luxembourg. Following the closure of this office, the company was reclassified as De Beers plc in 2017, with its head office now in Jersey. It is made up of two shareholdings: Anglo American plc has an 85% shareholding and the Government of the Republic of Botswana owns 15% directly. De Beers plc is