A pear shape opal ring

A pear shape opal ring, the pear shape cabochon-cut black opal measuring approximately 9.60 x 15.1mm and weighing 3.87 carats, five claw set to a platinum mount with tapering baguette-cut diamonds-set shoulders, the diamonds weighing 0.26 carats in total, hallmarked platinum 2014 London, made by Bentley and Skinner, gross weight 5.8 grams.

No. 27154M