A pair of coral and diamond earrings, by Van Cleef & Arpels. Photo Christie's Image Ltd 2014

Each designed as a carved coral scrolling plaque, with circular-cut diamond and 18k gold wirework detail, mounted in 18k white and yellow gold. Signed Van Cleef for Van Cleef & Arpels, no. 3V517-6. Estimate: $8,000 – $12,000

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