SAPPHIRE AND DIAMOND BROOCH, EARLY 20TH CENTURY

The centre claw-set with a cushion-shaped sapphire weighing approximately 11.40 carats, within a surround of cushion-shaped diamonds. 

Accompanied by GCS report no. 78157-40, stating that the sapphire measuring approximately 13.8 x 11.4 x 7.8mm, calculated to weigh approximately 11.40 carats, is of Sri Lankan (Ceylon) origin, with no indications of heat treatment. Sapphire light blue, transparent, with typical minor inclusions visible under magnification. Some minor chips to areas of facet edges, likely later re-polished. Diamonds bright and lively, estimated total diamond weight approximately 3.50 - 4.50 carats, estimated to be SI clarity on average, some I1, mixed colour grades, H-J, as graded within the limitations of the mount. Brooch fitting intact, in good working order, soldered in place where previously detachable from brooch, with traces of solder visible. Together with detached insert for mounting at reverse of sapphire applied with blue enamel. Together with case stamped Richard Ogden. Overall dimensions approximately 21 x 26mm, gross weight approximately 10 grams. 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."

Accompanied by a gemmological report.