Bleu Royal will be the leading highlight of the upcoming Magnificent Jewels auction on 07 November at Christie’s Geneva.
Weighing 17.61 carats, Bleu Royal is the largest Internally Flawless Fancy Vivid Blue gem ever for sale in auction history.
Cut and polished into a perfectly symmetrical pear with a rich, vivid blue colour and flawless purity. This diamond is amongst the rarest to have been unearthed (estimated at US$35–50 Million).
Bleu Royal has been part of an important private collection for 50 years. This is the first time the stone, set in a ring, will appear for sale at auction.
This is a true miracle of nature. Over our 257-year long history Christie’s has had the privilege of offering the world’s rarest gems at auction, and Bleu Royal continues this tradition. We are proud to offer collectors the opportunity to own a diamond fit for Royalty.
Raul Kadakia, Christie’s head of Jewellery
Driven by collector demand and an increasingly limited supply, prices for top-quality coloured diamonds have increased exponentially in recent years.
Fancy Vivid Blue diamonds over 10 carats are virtually unheard of in the salesroom. This is why, in more than 250 years of auction history at Christie’s, only three such stones have ever appeared for sale:
 | The Bulgari Blue | 10.95 carats | sold for $15,762,500 | New York | 20/10/2010 |
| The Winston Blue | 13.22 carats | sold for $23,795,372 | Geneva | 14/05/2014 |
| The Oppenheimer Blue | 14.62 carats | sold for $57,541,779 | Geneva | 18/05/2016 |
| Auction: | Magnificent Jewels | | 07 November 2023 | Four Seasons Hotel des Bergues |
| Previews: | Hong Kong | 04-07 October |
| Beijing | 10-11 October | |
| Shanghai | 13-14 October | |
| Taipei | 21-22 October | |
| New York | 26-27 October | |
| Geneva | 02-07 November |
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