A spectacular Colombian emerald and diamond ring, of cluster design, centring a claw-set rectangular emerald-cut emerald weighing 11.02 carats, framed by a halo of brilliant-cut diamonds, the diamonds together weighing approximately 2.59 carats, mounted in platinum, size L1/2. Accompanied by an Agl report numbered 1116689, dated 3 August 2021, stating that the 11.02 carat emerald is natural, with minor oil, of Colombian origin.