Sapphire and diamond bow brooch, Oscar Heyman & Brothers Inc., 1961

Oval and calibré-cut sapphires weighing approximately 10.35 carats, round, marquise-shaped and baguette diamonds weighing approximately 5.70 carats, mounted in platinum, numbered 69821, 2 diamonds missing.

Good condition with light wear to the mounting. Two of the calibré-cut sapphires are French-cuts rather than step-cuts and appear to be replacement stones. The pinstem may also be a later replacement; minor gold solder at base. The sapphires are medium-deep to deep blue and eye-clean. Set with 3 oval sapphires weighing 3.87 carats and 25 calibré-cut sapphires weighing 6.49 carats. The diamonds are approximately F-H color, VS clarity. Set with 36 round diamonds weighing 3.08 carats, 19 baguette diamonds weighing 1.37 carats, and 4 marquise-shaped diamond weighing 1.27 carats. The date and weights were provided by Oscar Heyman. Unsigned, but the original sketch reproduced in the catalogue is in Oscar Heyman's archives.
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.