18ct bi-colour gold, emerald and diamond ring, of cluster design, centring on an oval emerald weighing 5.11 carats, claw-set within a bombe surround of pave-set brilliant-cut and collet-set oval diamonds above diamond set shoulders, the small diamonds together stated to weigh 2.45 carats, size L. Accompanied by a GRS report numbered GRS2015-078859, dated 28 July 2015, stating that the 5.11 carat emerald is vivid green, natural and of Zambian origin.