The oval sapphire weighing 53.50 carats, prong-set atop a tapering band of bombé form pavé-set with numerous round diamonds, mounted in platinum.

See AGL report stating the sapphire is of Ceylon origin, no heat treatment. The stone is a rich medium blue and is moderately included, with a small amount of windowing. Minute abrasions to a few of the facet junctions. Diamonds are approximately G-H color and VS-SI clarity. Mounting in good condition. Currently measures approximately size 3½ due to inner sizing beads but is actually larger, about size 5.
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 38607 stating that the sapphire is of Ceylon origin; heat enhancement: none.