Royal blue
The Farnese Blue diamond is to go to auction at Sotheby’s, after having passed through the royal families of Spain, France, Italy and Austria. At 6.16ct, it is expected to fetch up to £3.7million.
The Farnese Blue diamond is to go to auction at Sotheby’s, after having passed through the royal families of Spain, France, Italy and Austria. At 6.16ct, it is expected to fetch up to £3.7million.