Ruby and diamond ring

The oval ruby claw set between triangular diamond shoulders, size 56.

Accompanied by CISGEM short Report no.7056, stating the oval ruby measuring approximately 6.83 x 7.93 x 4.98mm, calculated to weigh approximately 2.40 carats, shows indications of heating. Please note that Sotheby's is not responsible for the accuracy of any estimated weights provided by gemmological certificates. Partial maker's mark for Gübelin. Stamped 750 for 18 carat gold. Ruby purplish red, with good transparency, abrasions. For more information on the ruby, please refer to the CISGEM report. Diamonds bright and lively. Small signs of wear to the metal. In good condition. Gross weight approximately 3 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."