Edwardian diamond solitaire ring. Set to centre with a round old cut diamond in an open back claw setting with an approximate weight of 0.55 carats, to an elegant solitaire design featuring curved claws, an intricately pierced gallery with round open backholing, leading to inwardly tapering shoulders with chenier detail, flowing through to a solid D-shape shank. Tested yellow gold with palladium setting, circa 1915.