A single stone diamond ring

A single stone diamond ring, the round brilliant-cut diamond weighing 0.81 carats of G colour and SI1 clarity, EE cert 978893, set to a platinum mount with six-claw heart-shaped collet, tapering cheniered shoulders and D-section shank, hallmarked London, 2009, bearing the Bentley&Skinner sponsormark. Gross weight 3.11 grams

No. 18475V