The Wittelsbach diamond

An historic cushion-shaped fancy deep grayish blue diamond weighing 35.56 carats to the plain mount

Accompanied by report no 17794002 dated 24 September 2008 from the Gemological Institute of America (GIA) stating that the diamond is Fancy Deep Grayish Blue colour, VS2 clarity

Together with a Diamond Type Classification Report stating that the diamond is Type IIb and a letter from the Gemological Institute of America confirming the rarity and importance of this exceptional stone

Estimate on request (in the region of £9 million/ $15 million)
SOLD: £16,393,250 / $24,311,190 / €18,704,698

Christie's.Jewels: The London Sale. London, 10 December. CHRISTIE'S IMAGES LTD. 2008