The Blue Beyond Compare: Why Kashmir Sapphires Command Such Extraordinary Prices at Auction
Why do Kashmir sapphires command record prices at auction? Their legendary history, velvety blue, and why a lab certificate changes everything.
Tag: Sotheby’s
The Jwaneng 28.88: A Flawless Diamond Heads to Auction
De Beers and Sotheby’s unveiled The Jwaneng 28.88 — a flawless, D-colour, 28.88-carat Type IIa diamond from Botswana — at Maison Assouline in London, ahead of its auction debut in Hong Kong on 23 April 2026.
Echoes of Empire: Historic Jewels at Sotheby’s Royal & Noble Sale
Three jewels of imperial provenance take centre stage at Sotheby’s Royal & Noble Jewels Sale in Geneva: Napoleon’s diamond brooch seized at Waterloo, Cunegonde of Saxony’s pearl Sévigné, and Princess Neslishah Sultan’s pink diamond ring — each a reflection of history’s splendour and legacy.
The Glowing Rose: A 10-Carat Fancy Vivid Pink Diamond Shines at Sotheby’s Geneva
A masterpiece of nature and craftsmanship, The Glowing Rose—a 10.08-carat Fancy Vivid Pink diamond of exceptional clarity and purity—will take centre stage at Sotheby’s Geneva on 12 November. Set in a bespoke Boodles mount, this extraordinary gem stands among the rarest ever to appear at auction, expected to achieve around $20 million.
The Mediterranean Blue
A 10.03-carat marvel that captures the ocean’s essence in a radiant burst of blue.
A jewel linked to Queen Marie Antoinette?
Next November, Sotheby’s Geneva Royal & Noble auction will present a unique object rumoured to be linked to the infamous necklace that ruined the Queen’s reputation and caused her downfall.
The Allnatt Diamond at Sotheby’s Geneva
The Allnatt Diamond among the fabulous lots going under the hammer this afternoon at Sotheby’s Geneva.
Viennese Royal Jewels at Sotheby’s
Discover treasures from the most important Viennese Imperial and Royal jewellery collection ever to come to auction.
The Bulgari Laguna Blu
A Bulgari blue diamond set to premiere at the MET Gala is estimated to achieve in excess of $25 million at Sotheby’s Geneva.
Princess Diana’s Amethyst Cross
Princess Diana’s Attallah Cross, a unique 1920s pendant by Garrard worn on several occasions by the Princess, was acquired by Kim Kardashian at Sotheby’s London during the “Royal and Noble Sale” on 18 January.