Gold and diamond tiara/ necklace, early 19th Century, composite

The chased gold frame supporting a row of pinched collet-set table-cut and rose diamonds, to a surmount with floral and foliate gold work, capped with similarly cut stones, each side later set with rows of fine link chains allowing tiara to be worn as necklace, inner circumference approximately 365mm, Dutch assay marks, chain back not illustrated.

Stamped with Dutch assay marks for gold. Diamonds of mixed colours and clarities, some inclusions visible with the naked eye, few minor chips and abrasions. Scratches to mount consistent with age and wear, visible solder marks to reverse. Later chains soldered to either end of tiara frame with secure clasp and safety catch to side. Hair comb now deficient. 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."