Brooch fitting signed Boucheron Paris, pins stamped with French export assay marks for 18 carat gold, side of brooch stamped with export assay mark for platinum. Brooch and underside of brooch fitting stamped with maker's mark R Fres and oak leaf for Rubel Frères. Diamonds bright and lively, estimated total diamond weight approximately 16.00 - 18.00 carats. Diamonds estimated to be H-I colour, VS clarity on average. Diameter approximately 47mm. Gross weight approximately 28.20 grams. Light scratches to metal consistent with wear. Brooch fitting in good working order, hinge closing with good tension. Overall 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. 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."