18ct gold, white gold, sapphire and diamond ring, Mario Buccellati, of bombe style centring a collet-set cushion-shaped sapphire weighing approximately 2.00 carats framed by an open work surround of carved rosette motifs decorated with brilliant-cut diamonds, to a continuously engraved half hoop, the diamonds together weighing approximately 0.85 carat, size H, signed Mario Buccellati. Accompanied by a GIA report numbered 5172235893, dated 3 August 2015, stating that the sapphire is natural, with no indications of heating, of Sri Lankan origin.