![](http://www.alamy.com/thumbs/6/EF545110-7C63-4A4D-AF30-8C6BCCC39392/MB27GX.jpg)
London, UK. 6 April 2018. A model presents a round brilliant-cut diamond (top) and a oval diamond (bottom) at a photocall at Sotheby's, New Bond Street. They are two of the largest, purest white diamonds ever to come to auction, have a combined estimate in excess of US$15m and will be sold at auction in Geneva on 15 May. Credit: Stephen Chung / Alamy Live News
Size: 2847px × 2847px
Photo credit: © Stephen Chung / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: auction, bond, brilliant, carat, clarity, diamond, expensive, flawless, geneva, london, preview, sale, sothebys, street, white