An Edwardian diamond and pearl festoon necklace

An Edwardian diamond and pearl festoon necklace, formed as a row of circular cut diamonds with six diamond set swags suspended from the pearl and diamond clusters, the centre cluster suspends a drop shaped pearl. With pearl and diamond cluster clasp. The diamonds set in cut down silver and gold collets. 41cm. Fitted case by Hunt and Roskell. Accompanied with certificate number 06202 from The Gem and Pearl Laboratory dated 4th September 2012 stating that: 1) The drop shaped drilled pearl measures 7.0 - 7.1mm wide by 9 - 10mm long and is a natural saltwater pearl. 2) The largest part-drilled button shaped pearl measures 6.1 - 6.3 x 5.6mm. The necklace weighs 27.86g (total)