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Where do Diamonds Come from?THE BIGGEST DIAMOND MINES

• Jubilee Mine, also known as the Yubileyny diamond mine, located in Sakha (Yakutia).• Ranks as the world's first largest diamond mine by reserve size.• The mine was estimated to contain more than 153 million. • The open-pit diamond mine is owned and operated by the Aikhal mining.• The open pit mine is presently operating at a depth of 320m.

• Udachny diamond mine, also located in the Yakutia region of Russia.• Ranks as the world's second largest diamond mine by reserve size. • Estimated diamond reserves at the mine exceeded 152Mct as of January 2013. • Owned by Alrosa and operated by its Udachny mining and processing division.

• Mir or Mirny, another diamond mine in the Yakutia region of Russia, • Ranks as the third biggest diamond mine in the world. • The underground diamond mine was estimated to contain more than 141Mct • The diamond mine is owned and operated by the Mirny mining and processing division of Alrosa.

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• Argyle diamond mine located in the Kimberley region of Western Australia • Ranks as the world's biggest diamond mine if JORC reserves alone are taken into account. • The recoverable diamond reserve at Argyle as of December 2012 was estimated to be 140Mct (67Mt grading 2.1ct/t diamond).•The diamond mine, owned by Rio Tinto, has been in production since 1983.

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• Catoca diamond mine in Angola ranks as the fifth biggest diamond mine in the world.• The Catoca open-pit located near Saurimo, around 840km east of Luanda.•The underground diamond mine was estimated to contain upto 130Mct.•The diamond mine is operated by Sociedade Mineira de Catoca, a joint venture of Angola's state-owned diamond company.

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•Venetia diamond mine located 80km from Musina in Limpopo Province of South Africa • Ranks as the world's sixth largest diamond mine. •The open pit reserves are estimated to be 32.8Mct.• The mine life of Venetia Underground is expected to be more than 20 years.

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•Jwaneng diamond mine in African country Botswana ranks as the eighth biggest diamond mine in the world. • Jwaneng is considered to be the world's richest diamond mine in terms of value.• Estimated to contain diamond reserves of 88.3Mct as of December 2012.• Mine life is expected to be up to 2025.

For more information visit: http://www.mining-technology.com/features/feature-the-worlds-top-10-biggest-diamond-mines/

• Orapa diamond mine located 240km west of Francistown city in Central Botswana • Ranks as the ninth largest diamond mine in the world by reserve. • The open-pit mine was estimated to contain 85.7Mct. • It is the oldest of the four diamond mines operated by Debswana.

For more information visit: http://www.mining-technology.com/features/feature-the-worlds-top-10-biggest-diamond-mines/

• Botuobinskaya diamond mine is located in the Nakyn kimberlite field.• The mine will extract from the Botuobinskaya pipe which contains 70.9Mct • Owned and operated by Nyurba mining and processing division of Alrosa. • Mine life is expected to be more than 40 years from the start of operations.

For more information visit: http://www.mining-technology.com/features/feature-the-worlds-top-10-biggest-diamond-mines/

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