The carved rock crystal set to either side with geometric palmette terminals highlighted with cushion-shaped, circular- and single-cut diamonds, signed Cartier and numbered.

Cf:

Signed Cartier and numbered 2818006 and HYA136. Rock crystal in good condition, few scratches and nicks. Diamonds estimated to weigh a total of approximately 13.00 carats, for the most part H-K colour, VS-SI clarity (few I), as gauged and graded in mounting. Slight movement detected in platinum elements, could require professional attention. Pin with rotating safety catch. Signs of normal wear to the metal, scratches consistent with use. In 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."