rubover set central octagonal sapphire, 9.5 x 7.1mm, surrounded by fourteen rubover set round brilliant cut diamonds, tapered and grooved shoulders, 'D' shaped shank, size O, unmarked, tested as 18ct gold, weight 6.55g, accompanied by a report dated 25th May 2012, stating the natural sapphire weight as 3.50ct, colour dark yellow, clarity loupe clean, stated total diamond weight 1.20ct, colour H-I, clarity VS2-SI1