London, UK. 6 April 2018. A model presents "The Farnese Blue", a , pear-shaped, fancy, dark grey-blue diamond, with an estimate of US$, at a photocall at Sotheby's, New Bond Street. The diamond was presented to Elisabeth Farnese, Queen of Spain in 1715 and has been passed down through four of Europe's royal families. The diamond will be sold at auction in Geneva on 15 May. Credit: Stephen Chung / Alamy Live News

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Size: 2816px × 1877px
Photo credit: © Stephen Chung / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: auction, blue, bond, brilliant, carat, clarity, diamond, expensive, farnese, flawless, geneva, london, preview, sale, sothebys, street, white