Opening Of Rio Tinto's Underground Expansion Of The Argyle Diamond Min

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Kim Truter, managing director of the Argyle Diamond Mine, speaks... News PhotoAsia,Australasia,Australia,Australian Culture,Business,Ceremony,Corporate Business,Delivering,Diamond - Gemstone,Finance,Gemstone,Growth,Kununurra,Man Made Object,Managing Director,Mine,Miner,Mining,Oceania,Opening Ceremony,Precious Gem,Talking,VerticalPhotographer Collection: Bloomberg 2013 BloombergKim Truter, managing director of the Argyle Diamond Mine, speaks during the opening ceremony of the company's underground expansion of the mine in Kimberley, Australia, on Tuesday, April 30, 2013. Production at Argyle, which supplies more than 90 percent of the world’s pink diamonds, will rise to 20 million carats annually as production moves underground, while costs will fall. Photographer: Ian Waldie/Bloomberg via Getty Images