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A pair of chalcedony, diamond and sapphire ear clips, by Jar

Each designed as a blue chalcedony fan, to the openwork circular-cut sapphire and single-cut diamond border and single-cut diamond trim, extending a smaller single-cut diamond openwork fan, mounted in silver and gold. By JAR. Est. $25,000 - $35,000

Christie's. Jewels: The New York Sale. 22 April 2009. New York, Rockefeller Plaza www.christies.com Photo: Christie's Images Ltd 2009