In the fall of 2016, workers at Rio Tinto’s Argyle mine in Western Australia discovered an extraordinary 4.38-carat rough diamond that appeared to glow like a red ember. Next month, a radiant ...

That's how Sotheby's Australia justifies the $700,000 to $1 million asking price for an extremely rare 0.82-carat fancy purplish red Argyle diamond ring to be auctioned in Sydney tonight, The ...

An extremely rare 'fancy red' diamond from the Argyle mine in Western Australia's far north-east Kimberley regions has been sold for a record price to Glenn Bakker Jewels in Victoria.

Australia needs players with big engines, who can run a full course for 80 minutes if required. ... Seru Uru is that rarest of gems, a naturally-occurring red diamond.

The Winston Red Diamond is 2.33 carats and the world’s fifth-largest confirmed red diamond. CREDIT: Photo by Robert Weldon, courtesy of Ronald Winston. Get the Popular Science daily newsletter ...

The Winston Red Diamond is 2.33 carats, among the largest to have the “Fancy red” color grade from the Gemological Institute of America. Insiders believe fewer than one in 25 million diamonds ...