Jewellery › Antique Sapphire, Ruby, Emerald and Diamond Trefoil Ring Image 1 of 1 Antique Sapphire, Ruby, Emerald and Diamond Trefoil Ring £3,250.00 Designed as a shamrock, mounted in platinum and 18ct yellow gold, circa 1890Size NReference. C3016 Add To Cart Added! Designed as a shamrock, mounted in platinum and 18ct yellow gold, circa 1890Size NReference. C3016 You Might Also Like Mid 19th-Century Ruby and Diamond Target Ring Edwardian 18ct Gold and Diamond Snake Ring Edwardian Tourmaline and Diamond Cluster Ring 19th-Century Style Garnet Five-Stone Carved Half-Hoop Ring Antique Sapphire and Diamond Cluster Ring