“The Mediterranean Blue,” a 10.3-carat fancy vivid blue diamond, sold for $21.5 million during Sotheby’s sale of high jewelry in Geneva on Tuesday. It was not only the top lot of the sale, but it was ...
Sotheby's Geneva auction will feature the stunning 10-carat "Mediterranean Blue Diamond," estimated to fetch $20 million. This rare, fancy vivid blue diamond, sourced from South Africa, is captivating ...