Bonhams Fine Jewellery London Sale Realizes 98% by Value, Led by Cartier and Natural Pearls

Bonhams Fine Jewellery auction in London on March 25, 2026, achieved an 87% sell-through rate by lot and 98% by value across 273 lots. A Cartier 'C de Cartier' diamond necklace was the top lot, selling for £40,960 against an estimate of £18,000-25,000.