Rio Tinto's Argyle mine in Kimberly, Western Australia, has released its annual bounty of diamonds, among which are very rare red and pink stones. The mine, which opened 40 years ago and is now reaching the end of its productive life, is the only source of the stones in the world. The collection totals 64 diamonds, with a combined weight of 56.28 carats. "the Argyle Amarim" collection includes what Rio Tinto describes as six red or pink "hero" diamonds, the largest being the Argyle Opusa, a 2.01-carat intense pink round-shaped stone.
Rio Tinto's Argyle mine in Kimberly, Western Australia, has released its annual bounty of diamonds, among which are very rare red and pink stones. The mine, which opened 40 years ago and is now reaching the end of its productive life, is the only source of the stones in the world. The collection totals 64 diamonds, with a combined weight of 56.28 carats. "The Quest for the Absolute" collection includes what Rio Tinto describes as six red or pink "hero" diamonds, the largest being the Argyle Opusa, a 2.01-carat intense pink round-shaped stone.