Aquamarine and diamond pendent necklace

The necklace designed as a series of navette-shaped links decorated with scroll motifs, suspending at the front a detachable pear-shaped aquamarine drop bordered and surmounted by circular-cut diamonds, mounted in yellow gold, length approximately 565mm, composite.

Chain stamped 18K for gold. Central diamond measuring approximately 9.30 x 9.10 x 6.19mm, estimated to weigh approximately 3.20 carats, in our experts' opinion L-M colour, VS clarity, open culet, minor nicks and natural around girdle. The rest of the diamonds estimated to weigh approximately 3.00 carats in total, G-I colour, VS-SI clarity (a few I). Aquamarine estimated to weigh approximately 11.00 carats, light greenish blue colour. All stones gauged and graded in the mount. Minor tarnish and scratches to metal commensurate with wear and age. 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."