Tuesday, 4 September 2012

World's most precious diamonds go on sale

MINER Rio Tinto is taking a collection of the world's most valuable and rare diamonds on a global sale.

Potential buyers will need deep pockets though, as the Western Australian pink diamonds in this collection are the most concentrated form of wealth in the world.

The tour is Rio Tinto's Argyle Pink Diamonds Tender 2012, with much of the collection coming from the miner's 27-year-old Argyle mine in Western Australia's Kimberly.

The collection includes 56 single pink diamonds, along with red and blue diamonds.

Argyle produces most of the world's rare pink diamonds, which typically command far higher prices than white diamonds.

Manager of the collection, Josephine Johnson, said the diamonds were destined for investment portfolios or heirloom pieces of jewellery.

The highlights include Argyle Siren, a 1.32-carat square radiant cut Fancy Vivid Purplish Pink diamond and Argyle Satine, a 1.02-carat cushion cut Fancy Intense Purplish Pink diamond.

The biggest pink diamond ever found at Argyle was a 12.76-carat gem unveiled at the start of this year.
While diamonds might be forever for devoted connoisseurs, collectors and investors, the business's days as a Rio Tinto asset are numbered.

Diamonds might have posted $US203 million ($A197.98 million) in underlying earnings for the first half of this year, but Rio Tinto is investigating selling it.

The company's other mining operations are so large it leaves the diamonds business too small, with the Argyle mine regarded as having passed its peak in production.

Tender viewings will be held in Perth, Hong Kong and London with bids closing on October 15.

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