Ruby and diamond brooch, Cartier, 1930s

Of ribbon design, pavé-set with circular-cut diamonds, highlighted with an oval and calibré-cut rubies, signed Cartier, partly numbered, case stamped Cartier. 

Cf.: Judy Rudoe, Cartier, 1900-1939, London, 1997, pg. 279 for other examples of ribbon bow clip brooches, dated 1935 and 1936, set with diamonds. 

Signed CARTIER, partly numbered ?003. Oval ruby measuring approximately 7.21 x 5.30 x 3.40mm, calculated to weigh approximately 1.00 carat. Rubies well matched in colour, purplish red of medium strong saturation, with typical inclusions, some surface reaching, minor cavities, chips and abrasions. Diamonds estimated to weigh a total of approximately 7.00 - 10.00 carats, on average G-H colour, SI-I clarity, as gauged and graded in the mounting. Signs of normal wear to the metal. In very good condition. Gross weight approximately 25 grams. Case stamped Cartier.
"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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