A sapphire and diamond bracelet. Photo Christie's Image Ltd 2014

Designed as a scrolled band of circular-cut and pear-shaped diamonds, with oval-cut sapphires, mounted in platinum, 6¼ ins. Estimate $20,000 – $30,000

Christie's. MAGNIFICENT JEWELS, 16 April 2014, New York, Rockefeller Plaza - www.christies.com