A pearl and diamond pendant necklace. Estimate £3,000 - 4,000 (€4,100 - 5,500). Photo Bonhams.

The 10.3-10.6 x 12.0mm natural pearl capped with old brilliant-cut diamonds to a trace-link chain, lengths: pendant 2.4cm, necklace 45.0cm 

Accompanied by a report from the Gem & Pearl Laboratory stating that the pearl is natural, saltwater. Report number 09848, dated 9th May 2014.

Bonhams. JEWELLERY, 9 Sep 2015 11:00 BST - LONDON, KNIGHTSBRIDGE