A pair of sapphire and diamond ear pendants, by Cartier. Photo: Christie's Images Ltd 2013

Each suspending a drop-shaped faceted sapphire, to the single-cut diamond scrolling surmount, mounted in platinum. Signed Cartier, no. 2317760. Estimate:  $70,000 – $100,000

With report 13025135 1 and 2 dated 18 February 2013 from Gübelin Gem Lab stating that gemmological testing revealed characteristics consistent with those of sapphires originating from Sri Lanka (Ceylon). No indications of heating.

Christie's. MAGNIFICENT JEWELS. 15 October 2013. New York, Rockefeller Plaza.