An emerald and diamond ring The octagonal step-cut emerald within a surround of obliquely-set oval-cut diamonds, diamonds approx. 4.75cts total, ring size approx. M½ Footnotes: Accompanied by a report from GCS stating that the emerald is natural, of Colombian origin, with a moderate amount of resin in fissures. Report number 80236-20, dated 28th October 2019. For further information on this lot please visit Bonhams.com