A pair of natural pearl and diamond earrings. Estimate £6,000 - 8,000 (€8,200 - 11,000). Photo: Bonhams.

The white and grey pearl drop, each measuring approximately 24 and 23mm in length, with single-cut diamond cap, suspended from a line of three similarly-cut diamonds, detachable from the brilliant and baguette-cut diamond cluster surmount, diamonds approximately 1.40 carats total, length 5.5cm

Accompanied by a report from The Gem & Pearl Laboratory stating that both pearls are natural, one freshwater, the other an abalone blister pearl. Report number 08807, dated 25 October 2013.

Bonhams. FINE JEWELLERY, 22 Apr 2015 14:00 BST - LONDON, NEW BOND STREET