Edwardian 1.42 Carat Colombian Emerald & Diamond Cluster Ring, circa 1910An absolutely phenomenal antique emerald ring. The emerald cut emerald in the centre certified as showing evidence of only moderate clarity enhancement and originating from Colombia is a glowing, rich green. The stone sits within a surround of eighteen white and bright eight cut diamonds in rubover settings. The semi closed button backed head of the ring features "U" shaped detailing in the gallery, leading to a slim D shaped shank which splits three