A coral, diamond and emerald ram bracelet, by David Webb. Photo Christie's Image Ltd 2014

The flexible bracelet designed as a sculpted coral ram, joined by carved coral links with single-cut diamond accents, his face decorated with cabochon emerald eyes and forehead, to the single and circular-cut diamond detail, mounted in 18k white and yellow gold, 6½ ins., accompanied by additional links, in a David Webb black velvet pouch. Signed Webb for David Webb. Estimate $30,000 – $50,000

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