A pair of moonstone, quartz and diamond ear clips by JAR. Photo Christie's Image Ltd 2013.

Each centering upon a high dome cabochon rose quartz, weighing approximately 17.32 carats, or moonstone, weighing approximately 15.79 carats, in a pavé-set diamond cage, to the single-cut diamond frame, mounted in silver, gold and platinum, 2001. Estimate: $44,460 – $66,690

Notes: 'Jewels for Hope: The Collection of Mrs Lily Safra', Christie's Geneva, 14 May 2012, Lot 14.

Christie's. MAGNIFICENT JEWELS. 12 November 2013; Geneva - www.christie's.com