Sapphire and diamond brooch, late 19th century

Designed as a sunburst mounted en tremblant, set with a cushion-shaped sapphire weighing 12.96 carats and cushion-shaped, circular-cut and rose diamonds, brooch fitting detachable, later fitted case. 

Accompanied by SSEF report no. 77059, stating that the sapphire weighing 12.96 carats is of Ceylon origin, with no indications of heating. Later rhodium plated. Sapphire of mid to light blue, medium saturation, transparent, with minor natural inclusions visible to the naked eye. Diamonds estimated to weigh a total of approximately 24.00 - 26.00 carats, on average G-I colour and VS-SI clarity, as graded in the mounting. Scratches and light abrasions to stone and sapphire surfaces consistent with age and wear. In good condition. Gross weight approximately 52 grams. Overall dimensions approximately 95 x 83mm.
"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. 77059, stating that the sapphire is of Ceylon origin, with no indications of heating.