At over 18 carats, the vividly coloured gem is the largest pear-shaped pink diamond of its quality ever to be offered for sale at auction, the Christie's auction house said.
The Fortune Pink, an exceptionally rare giant gemstone, will be auctioned in Geneva in November when it is expected to go for up to $35 million (36 million euros), auctioneers said Monday. At over 18 carats, the vividly coloured gem is the largest pear-shaped pink diamond of its quality ever to be offered for sale at auction, the Christie's auction house said.
