A Qatari sheikh is fighting a widow and her sons for control of the Idol's Eye - thought to be the world's largest cut blue ...

A very rare blue diamond sold for over $40m (£32m) at a Christie's auction in Geneva, news agencies said. The 17.61 carat, pear-shaped Bleu Royal diamond, set in a ring, fetched $43.8 million ...

A £21M diamond sparks a High Court dispute between Qatari royals over ownership, valuation, and a contested sales agreement.

Want to relive this epic year? Well now you can with the Diamond Year jigsaw. December 2017 - At the end of 2017, Blue Peter had a royal visit from the Duke and Duchess of Cambridge and awarded ...