A tourmaline and diamond ring

A tourmaline and diamond ring, the cushion-cut tourmaline measuring approximately 22 x 18.3mm, accompanied by GCS certificate number 5776-3494 stating the purple red tourmaline rubellite to weigh 30.36cts, four claw set between diamond set bows, to a white gold mount with openwork gallery and cjenier shoulders, hallmarked 18ct gold London 2016, bearing the Bentley and Skinner sponsor mark, gross weight 14.6 grams.

No. 28312M