A fire-opal and diamond ring

A fire-opal and diamond ring, to the centre a rectangular cushion-cut fire opal claw set with estimated weight 2.2carats, shouldered by two heart-cut diamonds all to a yellow gold mount, estimated total diamond weight 0.6 carats, bearing the Bentley and Skinner sponsor mark, stamped 750, gross weight 5.2 grams.

No. 28535M