Emerald and diamond necklace, Bulgari

The front set with pear-shaped emeralds and pavé-set brilliant-cut diamonds, to a link necklace, length approximately 400mm, signed Bulgari, numbered. 

Signed Bulgari, numbered C2134, 750 for 18 carat gold, and 2.79 cts, 4.24 cts and 2.41 cts, referring to the stated carat weights of the emeralds. Emeralds mid to deep green, good saturation, with typical inclusions visible to the naked eye, some minor surface-reaching inclusions, some small areas of minor wear and minor chipping to facet edges. Largest emerald measuring approximately 14 x 9.2 x 5.5mm. Diamonds bright and lively, estimated total diamond weight approximately 5.50 - 6.50 carats. Links well articulated, clasp secure with additional safety clasp. Scratches to metal 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.
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."