Diamond necklace

The four graduated lines of baguette, oval and brilliant-cut diamonds, decorated at the front with a stylised buckle motif similarly-set, continuing to the back with two rows composed of baguette and brilliant-cut stones, mounted in white gold,

Stamped 750 for 18 carat gold. Estimated total diamond weight approximately 36.00 - 40.00 carats, G-J, estimated clarity VS-I, SI on average. The principal oval diamond measuring approximately 8.2 mm x 6.9 mm x 5.0 mm, estimated to weigh approximately 2.00 - 2.10 carats, estimated colour H-I, estimated clarity VS2, thick faceted girdle. Well articulated necklace. Secure clasp, safety catch to underside, engraved Vahesser underneath. 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."