IDEX Online - Polished Market Polished Market
- Vanderbilt Sapphire Brooch Sells for $3.6m
on 11 November 2025 at 3:00 pmThe 42.68 carat Vanderbilt Sapphire, a treasure from the shipping and railroad Vanbderbilt dynasty, sold for $3.6m, more than twice its $1.5m high estimate, at Phillips Geneva. The sugarloaf Kashmir, unheated, royal blue sapphire was set in a 20th century...
- Century-Old Riddle of Florentine Diamond Finally Solvedon 10 November 2025 at 5:00 am
The riddle of the iconic Florentine Diamond, which was missing for over a century, has finally been solved. The 137.27-carat pale yellow gem, set in a brooch, was, it turns out, safely stored in a Canadian bank vault all that time. It was among the royal...
- Auction Debut for Taylor Swift's Jewelry Designeron 7 November 2025 at 5:00 am
The jewelry designer who created Taylor Swift's engagement ring will make her auction debut at Sotheby's next week. Kindred Lubeck was catapulted to fame in August when it was revealed she designed the $500,000-plus Old Mine cut diamond ring that ...
- $4.7m Earrings Lead TV Doctor's Jewel Saleon 6 November 2025 at 6:00 am
A collection of jewelry that belonged to Dr Antje-Katrin Kuhnemann, German TV's first ever on-screen doctor, is to be sold at Sotheby Geneva's High Jewelry Sale next week (12 November). Highlight of the 34 lots is a pair of huge fancy vivid yellow diamond ...
- Rockefeller Kashmir Sapphire could Fetch $2.5mon 4 November 2025 at 5:00 am
The Rockefeller Kashmir, an Art Deco ring that belonged to the late John D. Rockefeller 3rd and his wife Blanchette, is to appear in a sale of the couple's vast art collection. The Cartier features a 17.66-carat cushion faceted base pyramidal sugarloaf ...