18ct white gold, ruby and diamond ring, circa 1977, of cluster design, centring a claw-set oval ruby weighing 2.33 carats, framed by a line of brilliant-cut diamonds, the diamonds together weighing approximately 0.60 carats, size L, accompanied by a GSL report numbered Aa 64662, dated 9 February 2021, stating that the 2.33 carat ruby is natural, with no indications of heating, of Thailand origin.