When Private Collections Speak: Bonhams Exceptional Jewels, London
Six single-owner collections converge at Bonhams London on 11 June 2026, led by a century-hidden Boucheron tiara and Dame Nellie Melba’s Cartier sautoir. Provenance is the story.
Category: Auctions
The Azure Blue Returns at Christie’s New York
On 9 June 2026, a 31.62-carat pear-shaped fancy blue diamond — quietly familiar to those who follow the rarefied world of coloured stones — will once again take centre stage at Rockefeller Center. This is the story of The Azure Blue, a jewel that has changed costume but not character.
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.
The Mediterranean Blue
A 10.03-carat marvel that captures the ocean’s essence in a radiant burst of blue.
A Maharaja Necklace at Christie’s
A necklace fit for Royalty at Christie’s upcoming Magnificent Jewels Auction in Geneva.
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 Bleu Royal
Christie’s announced today the largest Internally Flawless Fancy Vivid Blue diamond ever to appear at auction.
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.
The De Beers Exceptional Blue Collection
Sotheby’s will offer a super group of eight blue diamonds from the legendary Cullinan Mine across Magnificent Jewels Auction.
The Williamson Pink Star
Sold for a smashing $58 million, this Fancy Vivid Pink confirms the high estimates for fancy vivid pink diamonds.