Results & video preview Sotheby's 'Magnificent Jewels' sale Geneva 2011

One of the most impressive diamonds to come to auction is up for sale at Sotheby's on 15 November in Geneva. Find out what the jewellery expert has to say about the Sun-drop 110 carat yellow diamond and the other highlights of this sale.

The Sun-Drop Diamond. 110.03 Carats. Graded Fancy Vivid Yellow, the highest colour grading for a yellow diamond, by the Gemological Institute of America (GIA). Estimate: $11-15 million

One of the most impressive diamonds to come to auction is up for sale at Sotheby's on 15 November in Geneva. Find out what the jewellery expert has to say about the Sun-drop 110 carat yellow diamond and the other highlights of this sale. Sothebys

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