One of the most valuable blue diamonds to ever feature at an auction could sell for more than $48 million, according to Sotheby’s.Named “The De Beers Cullinan Blue,” it is the biggest vivid blue diamond to ...
Two tiaras believed to have been owned by Joséphine Bonaparte, the first wife of French Emperor Napoleon, went up for auction Tuesday after a century and a half in private hands.Combined, they sold for £576,000 ...