https://stonesandsociety.com/ The latest auctions stories from Stones & Society. en https://stonesandsociety.com/auctions/sothebys-royal-noble-jewels-geneva-november-2026/ https://stonesandsociety.com/auctions/sothebys-royal-noble-jewels-geneva-november-2026/ Mon, 19 Oct 2026 08:00:00 -0700 Sotheby's Royal and Noble Jewels sale in Geneva on 11 November is built on provenance: a Cartier black opal jewel made for a Duchess of Devonshire, a Mellerio tiara unaccounted for since 1957, and the emerald jewels of a Queen of Portugal. https://stonesandsociety.com/auctions/christies-jewels-online-new-york-october-2026/ https://stonesandsociety.com/auctions/christies-jewels-online-new-york-october-2026/ Mon, 19 Oct 2026 08:00:00 -0700 Christie's Jewels Online in New York made $9.32 million from 266 lots between 6 and 15 October. A Graff ring led, the no reserve headline diamond fell short of its low estimate, and the sharpest bidding was reserved for Bulgari. https://stonesandsociety.com/auctions/christies-geneva-connoisseur-collection-november-2026/ https://stonesandsociety.com/auctions/christies-geneva-connoisseur-collection-november-2026/ Mon, 05 Oct 2026 08:00:00 -0700 On 10 November, Christie's devotes a live sale and a simultaneous online auction to one collection: nearly 300 jewels, Art Deco cases and gold boxes assembled over four decades, expected to realize more than $25 million. A preview, plus a correction to the calendar. https://stonesandsociety.com/auctions/oppenheimer-blue-christies-geneva-2016/ https://stonesandsociety.com/auctions/oppenheimer-blue-christies-geneva-2016/ Fri, 25 Sep 2026 08:00:00 -0700 In May 2016 at Christie's Geneva, a 14.62-carat fancy vivid blue diamond sold for about US$57.5 million including premium. A decade on, it is still the benchmark for blue diamonds at auction. https://stonesandsociety.com/auctions/mellon-blue-christies-geneva-november-2025/ https://stonesandsociety.com/auctions/mellon-blue-christies-geneva-november-2025/ Wed, 23 Sep 2026 08:00:00 -0700 The highest-value jewellery lot sold at auction anywhere in 2025, and the first reappearance of a stone that set the world record for a blue diamond in 2014. The $7 million gap between those two prices is one of the sharpest documented corrections for a named blue diamond. https://stonesandsociety.com/auctions/marie-therese-pink-christies-new-york-2025/ https://stonesandsociety.com/auctions/marie-therese-pink-christies-new-york-2025/ Wed, 23 Sep 2026 08:00:00 -0700 A stone with documented French royal provenance, off the market since 1996, reset by the most secretive name in contemporary jewellery. The Marie-Therese Pink made nearly three times its high estimate and set two world records.