A pair of ruby and diamond flower earrings, by Aletto Brothers. Photo: Christie's Images Ltd 2014.

Each designed as a flower, centering upon an en tremblant circular-cut diamond cluster pistil, extending en tremblant calibré-cut ruby petals with circular-cut diamond trim, mounted in platinum and gold. Signed Aletto Bros. for Aletto Brothers, no. 10998. Estimate: $30,000 – $50,000

Christie's. MAGNIFICENT JEWELS, 16 April 2014, New York, Rockefeller Plaza - www.christies.com