Group of three citrine quartz rings, circa 1930-45

The first set with an emerald-cut citrine within a simple platinum mounting, size 6¾, signed Cartier; the second set with an emerald-cut citrine flanked by scrolls of old European-cut and single-cut diamonds, mounted in 14 karat gold, size 6, signed Seaman Schepps, with signed box; the last set with a pear-shaped citrine flanked by 2 baguette diamonds, size 8¼, French assay mark and partial maker's mark. 

Group consists of an EMERALD CUT (smaller one) citrine ring which weighs approximately 10.40 carats, signed Cartier and numbered indisctincly, possibly 8106?, EMERALD CUT (larger one) citrine ring weighs approximately 35.50 carats, the diamonds are approximately H-I color and VS clarity. Signed Seaman Schepps, and the PEAR SHAPED ring weighs approximately 8.30 carats. With French assay marks. All pieces in good condition overall.
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.