Pair of Golconda Diamond Ear Pendants by Siegelson, New York, weighing 11.95 and 10.16ct. Photo courtesy Siegelson at BaselWorld 2015

Art Deco Retrograde Coloured Gemstone and Diamond Gazelle Clock by Verger Frères for Ostertag, Paris, 1929. Movement by Philippe René Jaccard for Vacheron & Constantin. Photo courtesy Siegelson at BaselWorld 2015

Running from 25 April to 2 May, visit Siegelson's Masterpieces of 20^th-Century Design exhibition in the Hall of Visions, First Avenue, BaselWorld.

(Source TheJewelleryEditor)