A pair of natural pearl and diamond pendent earrings. Photo courtesy Bonhams.

Of bi-coloured design, each line of collet-set old brilliant-cut and cushion-shaped diamonds, suspending a 7.6mm or 8.5mm natural pearl drop, capped by rose-cut diamonds, diamonds approx. 0.30ct total, length 3.0cm. Estimate £7,000 - 9,000 (€8,400 - 11,000)

Accompanied by a report from The Gem & Pearl Laboratory stating that the pearls were found to be natural, saltwater. Report number 08090, dated 6th July 2013.

Bonhams. JEWELLERY. London, Knightsbridge. 15 Jan 2014 - www.bonhams.com