A Massive and Ultra-Rare Purple-Pink Diamond Is Expected to Fetch $23 Million at Sotheby’s Magnificent Jewels and Noble Jewels Auction (Live Auction: 11 November 2020 • 8:30 PM CET • Geneva) The occurrence of pink diamonds in nature is extremely rare in any size. Only one per cent of all pink diamonds are … Read more
The auction in November will offer the chance for someone to acquire extraordinarily rare jewels imbued with a fascinating history. The Donnersmarck Diamonds pair is estimated at $9-14 million (CHF 8,810,000 – 13,700,000). To mark 10 years of dedicated Noble Jewels sales in Geneva, Sotheby’s will offer at auction The Donnersmarck Diamonds, a pair of extraordinary … Read more
Sotheby’s inaugural sale of Magnificent Jewels and Noble Jewels at the Mandarin Oriental in Geneva was headlined by ‘The Apollo and Artemis Diamonds’ which sold for US$57,425,478 / CHF 57,118,750, becoming the most valuable earrings ever sold at auction. The diamond twins—one pink and the other blue—are perfectly matched in size, cut and tonality. The … Read more
Blue is the warmest colour. The spectacular ‘Sky Blue Diamond’, a Fancy Vivid blue diamond ring weighing 8.01 carats, with a stunning mount by Cartier, will be sold at Sotheby’s Geneva on 16 November. Within the past two years alone, Sotheby’s auction house has twice set a new world record auction price for a blue diamond, … Read more