Diamond necklace, late 19th Century

Of negligé design suspending two cushion-shaped diamonds in cut down collets from a bar similarly set with two smaller stones, to a trace link chain, length approximately 415mm.

Each stone measuring approximately 9.9 x 9.7 x 6.5mm and 9.6 x 10.0 x 5.1mm, calculated to weigh approximately 5.16 and 4.04 carats, estimated colours K/L and K, estimated clarity I, feathers, surface reaching feathers, crystals and pin points visible with magnification, medium and medium/strong fluorescence. Remaining diamonds bright and lively. Secure clasp. Accompanied by case signed David Frost, Winchester.
"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."