A Carved Green Beryl, Pink Sapphire and White Gold Thistle Brooch. photo: Christie's Images Ltd 2012 

Set with three carved green beryl, within cushion-cut pink sapphire, circular and single-cut diamond and white gold mounts, extending to the white gold stem, with French assay marks. Lot 104. Estimate $5,000 - $8,000

Christie's. The Van Cliburn Collection. 17 May 2012. New York, Rockefeller Plaza