Sapphire and diamond brooch, early 20th century

Of openwork garter design, set with oval and cushion-shaped sapphires, with cushion and circular-cut diamond borders, Russian assay and maker's mark, later brooch fitting to the reverse. 

Accompanied by GCS, report no. 5777-9722, stating that sapphires are natural, with no indications of heating, origin opinion Sri Lanka (Ceylon). Stamped with Russian assay marks for 14 carat gold, St Petersburg, and maker's mark SS on frame to reverse and on brooch pin. Indistinct mark on side of brooch. Later brooch fitting to reverse. Sapphires are light-mid purplish blue, some variation in colour, typical inclusions visible under magnification, some inclusions are surface reaching and casing some cavities and chips, some surface scratches, rubbed facets and small chips. Diamonds are bright and lively, estimated total diamond weight approximately 2.15 carats. There are light scratches to metal consistent with age and wear, small dents and pits. Some areas with light discolouration and some yellow patches. Brooch has possibly been plated Pin is slightly bent, in good working order. Length approximately 45 x 39mm. Overall condition good.
"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.