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About Argyle Pink Diamonds

Argyle pink diamonds, produced at Rio Tinto's Argyle Diamond Mine in Western Australia, are highly coveted as the world's most sought-after diamonds. The Argyle Diamond Mine produces more than 90 per cent of the world's pink diamond supply, which are sold in a range of colour grades and sizes to an international customer base.

The market for pink diamonds is quite separate to white diamonds, and due to their rarity, pink diamonds typically command prices far in excess of their colourless counterparts.

The finest and rarest diamonds are reserved for the annual Argyle Pink Diamonds Tender. Rio Tinto's Argyle Pink Diamonds business is located in Perth, Western Australia, alongside its cutting and polishing factory.

About Rio Tinto Diamonds

Rio Tinto is one of the world's major diamond producers, through its 100 per cent control of the Argyle Diamond Mine in Australia and 60 per cent of the Diavik mine in Canada. These two mines allow Rio Tinto to produce diamonds for all market segments. Rio Tinto also has an advanced diamond project in India.

Rio Tinto's share of the production from its two operating mines is sold through its Diamonds Sales and Marketing office in Antwerp, Belgium with representative offices in Mumbai, Hong Kong and New York. Rio Tinto Diamonds is a leading supporter of the Kimberley Process as well as a founding member of Responsible Jewellery Council.

www.riotinto.com