Important Diamond ring, Adler

Centring on a brilliant-cut diamond weighing 10.50 carats, between pear-shaped diamond shoulders weighing 1.03 carats each, mounted in platinum, size 49, signed Adler.

Stamped Pt900 for platinum and signed Adler. Accompanied by GIA report no. 8668930 stating that the diamond weighing 10.50 carats is F Colour, VVS2 Clarity and by GIA reports no. 17492523 and no. 17492725 stating that the diamonds weighing 1.03 carats are E Colour, VS2 Clarity. For further information please refer to the reports. Minor scratches to the mount, otherwise in very 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."