Emerald necklace, Gübelin

Suspending oval and pear-shaped emeralds, the pear-shaped stone weighing 7.17 carats, from a fine link chain, length approximately 465mm, signed Gübelin, Swiss assay and maker's marks. 

Accompanied by SSEF report no. 69932, stating that the emeralds are of Colombian origin, the emeralds weighing 2.10 and 2.72 carats, with no indications of clarity modification and the emeralds weighing 3.58, 3.88, 7.17 and 2.32 carats respectively, with a minor amount of oil on fissures. Stamped Swiss, makers mark for Gübelin. Stamped with 750 for 18 carat gold. According to the SSEF report the 2.100 carat oval-shaped emerald measures 8.81 x 7.35 x 5.03 mm, the 2.725 carat oval-shaped emerald measures 10.26 x 9.64 x 5.35 mm, the 3.580 carat oval-shaped emerald measures 10.84 x 9.50 x 6.64 mm, the 3.837 carat oval-shaped emerald measures 10.75 x 9.37 x 7.22 mm, the 7.170 carat pear-shaped emerald measures 18.28 x 12.40 x 5.89 mm and the 2.328 carat oval-shaped emerald measures 9.18 x 8.49 x 5.08 mm, they are of strong saturation, please refer to the report for further information; with few to some typical crystal inclusions, minor nicks and chips. Clasp secure, with safety catch to the side and safety chain. Signs of normal wear to the metal, scratches consistent with use. In good condition. Gross weight approximately 33 grams.
"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."