Art Deco 8.90 Carat Natural Colour-Change Sapphire & Diamond Ring, circa 1920

Spectacular 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 suitable quality with seventy-eight old cut and eight cut diamonds are pavé set in a pierced platinum setting, leading to a slim D-shaped shank. An immense and important piece.

Accompanied by a sapphire report from Gemmoligical Certification Services (GCS) stating the sapphire shows no indication of heating, and is Sri Lankan (Ceylon) in origin.

Cut – Emerald cut sapphire. The larger of the diamonds are old cuts; the smaller are eight-cuts.

Colour – The diamonds are F to G.

Clarity – The sapphire is eye clean. The diamonds are VS1 to VS2.

Carat – The sapphire is approximately 8.90 carat. The total approximate diamond weight is 1.64 carat.

Circa – 1920.

Size – M (UK) or 6 (US). Complimentary sizing is available, can go up or down.

Measurements – The sapphire is approximately 11.8 x 9.2mm. The ring is 17.5mm at the widest point and sits 8.8mm from the finger

Metal – Platinum. Tested.

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