Diamond tiara, Cartier, 1930s

Of geometric design, set throughout with circular-cut diamonds surmounted by a graduated series of thirty-one collet-set diamonds, inner circumference approximately 415mm, signed Cartier, fitted case stamped Cartier, the exterior of the case with monogram and coronet for Mary, Duchess of Roxburghe.

Signed Cartier London. Diamonds estimated to weigh a total of approximately 130.00 - 150.00 carats, on average H - I colour, VS - SI clarity (a few I), as gauged and graded in the mounting. Little signs of wear to the metal consistent with light use. In very good condition. Gross weight approximately 150 grams. Fitted case stamped Cartier London, Paris, New York; the exterior of the case with monogram and coronet for Mary, Duchess of Roxburghe.
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Please note that colour, clarity and weight of gemstones are statements of opinion only and not statements of fact by Sotheby's. We do not guarantee, and are not responsible for any certificate from a gemological laboratory that may accompany the property. We do not guarantee that watches are in working order. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue, in particular to the Notice regarding the treatment and condition of gemstones and to the Notice regarding import of Burmese jadeite and rubies into the US.
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