Tag: The Kimberley Treasure

Rio Tinto has unveiled the world’s first coin to feature a rare red diamond from the Argyle diamond mine. Known as ‘The Kimberley Treasure’, the striking collectable has been crafted from one kilogram of 99.99% fine gold, and features a radiant cut 0.54 carat red diamond unearthed from Rio Tinto’s Argyle diamond mine in the […]