Accompanied by CISGEM report no. 8997, stating that the sapphire measuring approximately 13.50 x 17.60 x 9.25mm, weighing approximately 20.00 carats, shows no indications of heat treatment, and is suggested to be of Sri Lankan (Ceylon) origin.
Brooch fitting possibly later, partially signed Koch on catch. Catch with traces of solder repair, possibly later. Sapphire light blue, transparent, with colour zoning visible to the naked eye and typical minor inclusions visible under magnification. Moonstone pale yellow, transparent, with blue to white adularescence, frosted surface. Sapphire and moonstone with some areas of minor chipping and wear to edges. Some sections of moonstone slightly loose in mount. Diamonds bright and lively. Scratches to metal and stone surfaces consistent with wear. In good condition. Measuring approximately 35 x 27mm. Gross weight approximately 17.4 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."