Sapphire and diamond brooch

Of cluster design, set with a cushion-shaped sapphire weighing 7.94 carats, within a surround of brilliant-cut, marquise-, pear-shaped and oval diamonds, French assay marks for gold and maker's mark. 

Accompanied by SSEF report no. 98060, stating that the sapphire weighing 7.94 carats, measuring 12.53 x 9.79 x 7.64mm, is of Ceylon origin, with no indications of heating. French assay marks and stamped 750 for 18 carat gold. Sapphire blue of medium strong saturation. For more information on the sapphire please refer to the SSEF report. Diamonds estimated to weigh a total of approximately 17.00 - 19.00 carats, on average H-J colour, VS-SI clarity, as gauged and graded in the mount. Scratches to the metal consistent with light use. In good condition. Gross weight approximately 24 grams.
"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."

Accompanied by SSEF report no. 98060, stating that the sapphire is of Ceylon origin, with no indications of heating.