Diamond clip brooch and clasp, Cartier, 1930s

the clip brooch designed as four graduated lines of circular-cut diamonds, signed Cartier Paris, numbered, French assay and maker's marks, the clasp set with four graduated baguette diamonds, signed Cartier London.

Clip signed Cartier Paris, numbered L2373, French assay marks for platinum and maker's marks stamped to side of clip. Diamonds bright and lively with mixed colours and clarities estimated approximately 3.00-3.50 carats in total, I-K colours, SI clarities on average. Overall good condition. Clasp signed Cartier London, total diamond weight approximately 0.40-0.50 carats, estimated colours and clarities approximately I-K, VS on average. Overall good condition.
"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.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."