An 18ct gold Colombian emerald and diamond three stone ring, centrally set with an octagonal step cut emerald, estimated as approximately 1.32ct, in yellow gold claw setting, flanked by two round brilliant diamonds, approximately 0.60ct each, in white rex collets, to chenier shoulders and a plain band. London 1978. A verbal report by GCS, no. 5784-1856, stating the emerald to be natural, of Colombian origin, with 'none to insignificant indications of clarity enhancement'. Diamonds assessed as: Colour G/H Clarity VS Ring size T Buying this gemstone ring at auction could save up to 0.42 tonnes of CO2e compared to buying new.