(IDEX Online) - Rio Tinto has announced its final Beyond Rare tender, featuring polished fancy color diamonds from the now-closed Argyle mine, in Australia, and white diamonds from the soon-to-close ...

(IDEX Online) - Vrai, the e-commerce division of the US-based Diamond Foundry, has launched what it describes as "the first ever Bitcoin-backed lab grown diamonds". Customers buying a lab grown pay ...

(IDEX Online) - A huge, one-of-a-kind "coin" created to mark Queen Elizabeth II's Platinum Jubilee is to be auctioned with a high estimate of $4m. The Crown Coin, commemorating her 70 years on the ...