The Argyle Elysian, a 1.20-carat fancy vivid pink, cushion cut. Rio Tinto Rio Tinto has aggressively nurtured the Argyle diamond brand since it first understood the value of the pinks hidden here.

MELBOURNE, Australia--(BUSINESS WIRE)--After 37 years of operations and having exhausted its economic reserves, the iconic Argyle mine in the remote east Kimberley region of Western Australia has ...

Diamond mines are not forever — not even the world’s most productive. After mining more than 865 million carats of rough diamonds since opening in 1983, the Argyle Mine in the remote East ...

Even though the Argyle Diamond Mine produced more pink diamonds than anywhere else, the diamonds were still astoundingly rare, said the website. "Of approximately 15 million carats of rough ...

MINING giant Rio Tinto has joined BHP Billiton in reviewing its diamond business, which could include offloading assets such as the Argyle diamond mine in the Kimberley. The company operates three ...

Rio Tinto Group (RIO) is only one year away from the closure of its Australian Argyle diamond mine which is planned for 2020. There is no other mine that matches Argyle's output - especially that ...

Polished colored diamonds from the Argyle diamond deposit are shown. The now-closed mine in Western Australia was the source of 90% of the world's pink diamonds.

The Argyle Mine Control Office with Pitram software. "Pitram has been the backbone of our underground operations and management systems," said Argyle Superintendent Technical Services, Rhett Hassell.

The world’s biggest diamond mine⁠—famed more for the fistful of coveted pink and red gems it yields each year than being a major producer of lower-quality stones—is being shuttered by Rio ...

For 30 years, jeweler John Calleija has been purchasing rare gems from Rio Tinto Group’s Argyle mine in remote Western Australia, home to 90% of the world’s prized pink diamonds. On a recent ...

Rio Tinto's <RIO.L><RIO.AX> Argyle Diamonds Ltd plans to slow the development of an underground mine at its project in northwestern Australia, said Macmahon Holdings Ltd <MAH.AX&gt ...