A single stone diamond ring

A single stone diamond ring, the round brilliant-cut diamond, weighing 3.44 carats, K colour, SI1 clarity, IGI report number F3A56642, six claw platinum mount, the shoulders horizontally set with baguette-cut diamonds, estimated to weigh a further 0.30 carat, hallmarked platinum, London 2016, bearing the Bentley & Skinner sponsor mark, gross weight 4.52 grams.

No. 28984M