Ruby and diamond ring

Set with an oval ruby stated to weigh 4.20 carats, surrounded with brilliant-cut diamonds, the mount further accented with similarly cut diamonds, size 51, French assay marks.

Maker's mark for Jacques Timey. French assay mark and stamped OR 750 for 18 carat gold. Inscribed B 2.17 and R 4.20, referring to the stated total carat weight of the diamonds and to the stated carat weight of the ruby. Ruby measuring approximately 10.98 x 8.60 x 4.20mm, stated to weigh 4.20 carats, red, with good transparency, small typical inclusions under 10x magnification, small nicks to the girdle, small chips to the pavilion. Diamonds estimated to weigh a total of approximately 2.00 - 2.50 carats, on average G-H colour, VS clarity, as gauged and graded in the mount. Minor signs of wear to the metal. In very good condition. Gross weight approximately 11 grams.
"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."