Ruby and diamond ring, Harry Winston

Set with a cushion-shaped ruby weighing 13.77 carats, between half-moon diamond shoulders, size 50, signed HW, case stamped Winston.

Accompanied by Gübelin report 16081005, stating that the cushion-shaped ruby stated to weigh 13.77 carats and measuring approximately 15.25 x 12.40 x 7.60mm, is of Thai origin, with indications of heating. Signed HW for Harry Winston. Inscribed 13.77, referring to the weight of the ruby. Stamped Pt 950 for platinum and 750 for 18 carat gold. Ruby red of strong saturation, with good transparency, some inclusions, minor abrasions, a few nicks. For more information on the ruby, please refer to the Gübelin report. Diamonds bright and lively. Gross weight approximately 10 grams. Case stamped Harry Winston, box stamped HW.
"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 and to the Notice regarding import of Burmese jadeite and rubies into the US.
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."