A £750,000 diamond ring, missing from the British Museum for six years, has only now been registered as lost. Thought to have been bequeathed to the museum by an anonymous donor, the Cartier ring ...

A necklace mounted with 62.46 carats of Burmese pigeon’s blood rubies, set among diamonds, was sold for HK$49.98 million at the same auction. Additionally, a Cartier ring in platinum ...