A pair of diamond and ruby cluster stud earrings

A pair of ruby and dianond cluster stud earrings, the round brilliant-cut diamond centre, estimated to weigh 1.2 carats in total, surrounded by eight triangular calibre-cut rubies in the form of a star and an outer cluster of eight brilliant-cut diamonds, all milligrain edged rubover-set to a white mount with peg and scroll fittings, hallmarked platinum, 900 London, bearing the Bentley & Skinner sponsor mark, gross weight 3.97 grams,

No. SX22815M