Earlier this week, a 5.5-carat diamond ring offered for over $17 million {dollars} throughout Christie’s Magnificent Jewels public sale in Zurich. The triangular-cut stone, often known as Ocean Dream, due to its blue-green colour, had an estimate of about $9-12 million. It’s set into an 18-karat white gold band and surrounded by pink and white diamonds.
Fortune journal reported that the client was an unnamed non-public consumer and that the ring took 20 minute to promote.
Max Fawcett, International Head of Christie’s Jewelry, famous in a press release that that is the second time Ocean Dream has been supplied at public sale. (t offered for almost $10 million in 2014, additionally at Christie’s Geneva.) In keeping with the Smithsonian, it’s “one of many eight rarest diamonds on the planet.” Ocean Dream was one in every of seven coloured stones within the 2003 exhibition “Splendor of Diamonds” on the Smithsonian’s Nationwide Museum of Pure Historical past in Washington, D.C.
The ring comes with a letter issued by the Gemological Institute of America (GIA) confirming that it’s “the most important Fancy Vivid blue-green diamond of pure colour that GIA has examined as of the date of this letter,” which was written on Apr. 10, 2026. The GIA report additional particulars the diamond’s historical past. It was extracted in central Africa within the Nineteen Nineties, and in its uncut state weighed almost 12 carats. The stone’s mixture of tone and dimension is “fairly uncommon.”
Naturally occurring coloured diamonds (all fairly uncommon) exist in a variety of colours, with reds and purples being probably the most uncommon and yellows being least uncommon. It ranks SI-1 on the GIA’s readability scale, which means that it’s “barely occluded” (imperfections are seen below magnification).
The Could 13 sale occurred at Zurich’s 4 Seasons Resort des Bergues. It featured a complete of 87 heaps, together with items by Cartier and Van Cleef & Arpels and introduced in a complete of $66 million.
