Two antique diamond brooches

The first of stylized palmette design, set with numerous old-mine and rose-cut diamonds weighing approximately 6.00 carats, mounted in gold, circa 1900; the second designed as a starburst set with old-mine and rose-cut diamonds weighing approximately 4.00 carats, mounted in gold and silver, circa 1880.

PALMETTE: Good condition with small spots of discoloration to the mounting. The diamonds are approximately H-J color and predominantly SI clarity; some bearing chips. STARBURST: Good condition with surface wear to the mounting. The central diamond is approximately J-K color, SI clarity; the remaining diamonds are approximately H-K color, SI-I clarity; some bearing chips. French guarantee mark on pinstem.
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.