Bonhams London Jewellery Auction Sees Strong Results for Cartier and Period Pieces

On March 25, 2026, Bonhams held its Fine Jewellery London auction, achieving an 87% sell-through rate by lot and 98% by value across 273 offerings. A Cartier diamond 'C de Cartier' necklace emerged as the top performer, fetching £40,960 against a pre-sale estimate of £18,000-25,000. Another standout was a natural pearl and diamond necklace that realized £38,400, far exceeding its £10,000-15,000 estimate. The sale featured works from prestigious houses including Cartier, Boucheron, Van Cleef & Arpels, Tiffany & Co., and Graff, alongside designs by Buccellati and Andrew Grima. The event highlighted exceptional craftsmanship through a curated selection of signed jewels, colored gemstones, and notable period pieces.