Art Deco 8.90 Carat Natural Ceylon Sapphire Ring, circa 1920Spectacular in every way. The natural and unheated Ceylon sapphire displays a clear colour change; blue in daylight, purple under incandescent light. This exceptional and rare stone is showcased in a mount of equal quality; with seventy eight old cut and eight cut which are diamonds pav set in a pierced platinum setting, leading to a slim D shaped shank. An immense and important piece. Currently size M (UK) or 6 (US). Free sizing available.