Lot 281. A pearl and diamond necklace. Estimate GBP 30,000 - GBP 40,000 (USD 49,050 - USD 65,400). Price realised GBP 295,250 (USD 484,505) © Christie's Image Ltd 2011

Composed of three strands of graduated natural pearls measuring 8.42-4.14mm to the Art Deco baguette-cut diamond clasp of bow design, with central square-cut diamond, clasp circa 1935, longest strand 36.5cm long, shortest strand 33.5cm long

Accompanied by report no. 22234 dated 16 March 2011 from AnchorCert, Birmingham, stating that the pearls are natural