An Art Deco diamond and rock crystal bangle bracelet, by Cartier. Photo Christie's Image Ltd 2013

Designed as a carved rock crystal hinged bangle, set at the top and hinge with openwork old Europan-cut diamond bombé plaques, mounted in platinum, circa 1935, 6½ ins., in a Cartier red leather case. Signed Cartier, France. Estimate:  $25,000 – $35,000

 Christie's. MAGNIFICENT JEWELS. 10 December 2013.New York, Rockefeller Plaza - www.christies.com