Ruby and diamond ring

Of broad tapering design, set with a ruby and brilliant-cut diamonds, size N.

Interior of band stamped with European convention mark and 750 for 18 carat gold. Indistinct maker's mark. Ruby deep purplish red, transparent, with typical inclusions visible under magnification, some surface reaching. Measuring approximately 11.1 x 7.1 x 4.1mm, calculated to weigh approximately 2.33 carats. Diamonds are bright and lively, estimated to weigh approximately 1.80-2.2 carats in total. Light scratches to metal and stone surfaces consistent with wear. Width approximately 17mm at widest point. 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. Please note that colour, clarity and weight of gemstones are statements of opinion only and not statements of fact by Sotheby's. We do not guarantee, and are not responsible for any certificate from a gemological laboratory that may accompany the property. We do not guarantee that watches are in working order. 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. Prospective buyers should also refer to refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue, in particular to the Notice regarding the treatment and condition of gemstones.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."