Important ruby ring

The cushion-shaped ruby weighing 11.01 carats, to a mount composed of overlapping stylised leaves, size 52^1/2, signed G. Lenfant, Paris.

The revised estimate is 1'050'000-1'330'000 CHF / 1'100'000 - 1'400'000 US$. Additionally accompanied by C. Dunaigre report no. CDC 1209037, stating that the Burmese ruby, with no indications of heating, is of 'vivid red' colour, consistent with those of rubies from the Mogok region. Burmese origin cannot be imported into the US. This piece contains a ruby of Burmese origin and therefore cannot be imported into the US. Please contact the jewellery department for further information or see our Important Notices. Stamped with French assay mark and 750 for 18 carat gold, ruby mounted in three-coloured gold. Signed G. Lenfant Paris, maker's marks, engraved 11.01, referring to the weight of the ruby. Ruby with some typical crystal inclusions, few surface reaching, few scratches, nicks and abrasions on the surface, for further information, please refer to the reports. Signs of normal wear to the metal, scratches consistent with use. 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 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."