Opal and diamond brooch/pendant

Designed as a polished opal framed by brilliant-cut diamonds within a scallop edged mount, length approximately 470mm, brooch fitting to reverse.

Opal measuring approximately 35.00x25.00x7.4mm, calculated to weigh approximately 36.89 carats, displaying strong play of colour with greens and some orange, slight scratches consistent with wear. Estimated total diamond weight approximately 3.00-5.00 carats, estimated colour H-J, estimated clarity VS on average, some SI. Secure clasps. Scratches to metal consistent with wear. 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."