Diamond necklace

Set to the front with a graduated series of cushion-shaped and circular-cut diamonds mounted in pinched collets, to a trace link chain back and similarly set diamond clasp, length approximately 390mm.

Mounted in silver and gold. The diamonds would have been part of a 19th century diamond rivière which has been later adapted. Drop to centre with later alteration. Later trace link back chain. Estimated total diamond weight approximately 17.00 - 20.00 carats, of mixed colours and clarities (K-M+, SI to I). Principal cushion-shaped diamond calculated to weigh approximately 2.14 carats, estimated colour L/M, estimated clarity SI, nicks and abrasions to facet junctions and girdle. Mount to clasp numbered 1339. Scratches to mounts consistent with wear. 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."