Set with brilliant-cut and marquise-shaped diamonds, length approximately 170mm, maker's mark for Tavernier. 

Maker's mark for Tavernier, engraved A2792, stamped Pt 950 for platinum and OR on the tongue for gold. Each central brilliant-cut diamond weighing approximately 0.70 carats, estimated colour G-H, estimated clarity VS. Remaining diamonds estimated total diamond weight approximately 20.00-22.00 carats, estimated colour I-J, estimated clarity SI, some VS. Metal with light surface scratches. Clasp closes securely. Overall condition good.
"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.
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."