ONYX AND DIAMOND BROOCH

Of open work shield design, collet-set with a principle marquise-shaped diamond within a border of onyx, to a trapezium-shaped surmount set with brilliant-, princess-cut and baguette diamonds, signed Ansorena.

Stamped Depose beneath clip. Principle marquise diamond measuring 17.2mm x 9.10mm x 6.30mm, calculated to weigh 6.59 carats, estimated colour I/J, estimated clarity VS. Please note stone was graded in the collet setting. Remaining diamond weight approximately 3.50-4.00 carats, estimated colour H-J, estimated clarity VS-SI. Enamel in good condition. Sliding safety catch. In excellent 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."