Emerald and diamond pendant-necklace

The necklace designed as strands of ribbon joined in the center to form a circular knot, set with 135 round and single-cut diamonds weighing approximately 26.00 carats and 115 baguette and tapered baguette diamonds weighing approximately 17.50 carats, the center accented with a single marquise-shaped diamond of approximately .95 carat, supporting a pendant set with a pear-shaped emerald weighing 11.32 carats, framed by 22 round and marquise-shaped diamonds weighing approximately 3.30 carats, mounted in platinum, length 17 inches, pendant detachable. 

See AGL report stating the emerald is Colombian, no treatment. The diamonds are approximately E-G color and VVS-VS clarity. The emerald is a medium deep slightly bluish green color and slightly to moderately included. 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. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. 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. Illustrations in the catalogue may not be actual size. Prospective purchasers are reminded that, unless the catalogue description specifically states that a stone is natural, we have assumed that some form of treatment may have been used and that such treatment may not be permanent. Our presale estimates reflect this assumption.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING CONDITION OF A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF SALE PRINTED IN THE CATALOGUE.

Accompanied by AGL report no. CS 36705 stating that the emerald is of Colombian origin; clarity enhancement: none.