Designed as a mystery-set sapphire leaf, with baguette-cut diamond stem and circular-cut diamond trim, 2 5/16 ins., with French assay marks for platinum and 18k gold. Signed Van Cleef & Arpels, no. 97921, with maker's mark.
Christie's. Magnificent Jewels & The Collection of Peggy and David Rockefeller, New York, 12 June 2018

