A Massive and Ultra-Rare Purple-Pink Diamond Is Expected to Fetch $23 Million at Sotheby’s Magnificent Jewels and Noble Jewels Auction (Live Auction: 11 November 2020 • 8:30 PM CET • Geneva) The occurrence of pink diamonds in nature is extremely rare in any size. Only one per cent of all pink diamonds are … Read more
Sotheby’s Hong Kong Magnificent Jewels and Jadeite Spring Sale 2019 presents a curated auction showcasing decades of jewellery design, from the renowned Van Cleef & Arpels Mystery Set ‘Bellflowers’ brooch, to the iconic Cartier Panthère bangle. This jewelry auction is an assemblage of jewels representing connoisseurship of the highest level. On 2 April, … Read more
Sotheby’s auction house announced that it will auction the 1109-carat “Lesedi la Rona” – the largest gem- quality rough diamond to be discovered in over a century and the largest rough diamond in existence today – in a stand-alone sale in London on 29 June 2016. Estimated to achieve in excess of $70 million*, the … Read more
Christie’s auctions 76.02 carat Archduke Joseph diamond Archduke Joseph gem to fetch at least $15m at Christie’s auction Archduke Joseph, undoubtedly one of the rarest and most famous diamonds in the world, will be offered at a Christie’s auction in Geneva on 13 November 2012, with an expected price of more than $15 million/ 11.6 … Read more
The Beau Sancy, a diamond which has been the privileged witness of 400 years of European history The 400 year old Beau Sancy, a diamond which has been the privileged witness of 400 years of European history, has only been shown publicly for four times in the last 50 years, and on the 15th May … Read more