Rio Tinto Group's Australian Argyle mine is about to close one year from now. The company is the third largest diamond producer worldwide.

Contacts Communications Manager, Rio Tinto Diamonds Robyn Ellison M +61 417 968 359 E Robyn.Ellison@riotinto.com Media Relations, United Kingdom Illtud Harri T +44 20 7781 1152 M +44 7920 503 600 ...

The Argyle mine, in the remote Kimberley region of Western Australia, churned out more than 90% of the world's pink diamonds — sought after for their incredible rarity. The seam was discovered in 1979 ...

November 6, 2019 The Mine That Produces 90 Percent of the World’s Pink Diamonds Is Drying Up. Here’s Why At Argyle, the average annual output has been about 10,000 polished carats. But there ...

The Argyle Diamond Mine closed in 2020 after all its pink and other diamonds were extracted over a 37-year period, meaning the search is now on for new deposits.

The Argyle mine closed in 2020 when its costs began to outpace its diamond output. "Argyle has run dry. Every mine has what's called its mine life after which it is no longer economically viable ...

The iconic pink color of the Argyle Diamond Mine's diamonds was created by a combination of deep carbon, a continental collision and then stretching, said a researcher from Perth in Western Australia.

BARBER: Yeah. So for a long time, the Argyle Diamond Mine in Western Australia enjoyed a bounty of pink diamonds. Until they closed in 2020, they were the leading supplier of them.

MINING giant Rio Tinto has joined BHP Billiton in reviewing its diamond business, which could include offloading the Argyle diamond mine in the Kimberley.

More than 500,000 carats of mostly gemstone-grade diamonds have been dug up at Merlin, including a 104-carat type 2a diamond which is the largest diamond that has been found in Australian history.

Exploration history and discovery of the Diavik diamond deposits, Northwest Territories, Canada / R.C. Brett, Y. Kinakin, D. Howell, and A.T. Davy -- Evaluation of the Diavik diamond deposit / K.