A model wears the "Graff Ruby" a 8.32 carats red hue "pigeon blood" Burmese stone during an auction preview Sotheby's auction house in Geneva November 5, 2014. The ruby is expected to sell between CHF 6,500,000 to 8,560,000 (US $ 6,800,000 to 9,000,000) when it is auctioned on November 12 in Geneva.
REUTERS/Denis Balibouse (SWITZERLAND - Tags: SOCIETY)