A sapphire, diamond and gold bracelet, by Buccellati. Photo Christie's Image Ltd 2014

Designed as a series of textured 18k gold oval links, each set with an oval-cut sapphire within a single-cut diamond surround, trimmed with single-cut diamonds, mounted in 18k white and yellow gold, 6½ ins. Signed Buccellati, Italy. Estimate $20,000 – $30,000

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