Peridot and diamond pendant

The drilled briolette peridot measuring approximately 20.0 by 22.0 by 11.0 mm., in a frame of conforming shape with pierced surmount, set with numerous single-cut and old European-cut diamonds weighing approximately 2.25 carats, mounted in platinum, signed  BBB, possibly for Bailey, Banks & Biddle, numbered 95494. 

The peridot is drilled and was likely a bead, not noticeable when worn as it is obscured by the front of the mounting. The pendant bail is stamped 95494 and BBB, there are also numerous scratch numbers on reverse of pendant. There are minor abrasions to the facet junctions of the peridot. The diamonds are approximately G-H color and VS-SI clarity. 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.