Diamond pendent necklace, Early 20th Century

Set with a cushion-shaped and a rose diamond, highlighted at the centre with a circular-cut diamond of brownish tint, length approximately 420mm, partial Russian assay mark, one small diamond deficient.

Clasp stamped with partial Russian import mark for silver. The two cushion-shaped diamonds are estimated to weigh approximately 7.35 and 3.80 carats, in our experts' opinion the diamonds are of J-K colour and SI clarity, as gauged and graded in collet-set mounting. Smaller diamonds bright and lively, please note that the diamonds of brown tint has not been tested for natural colour, one small diamond deficient. Clasp secure. Signs of normal wear to the metal, scratches consistent with use. 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 and to the Notice regarding import of Burmese jadeite and rubies into the US.
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."