Emerald and diamond ring

Claw-set with a square step-cut emerald between triangular diamond shoulders, the bombé mount pavé-set with brilliant-cut diamonds, size M^1/2, sizing band, French assay and maker's marks.

Accompanied by The Gem & Pearl Laboratory report no. 10540, stating that the Emerald was found to be Colombian, with significant clarity enhancement. French assay mark for 18 carat gold. Indistinct maker's mark. Emerald measuring approximately 15.9 x 15.8 x 11.8 mm calculated to weigh approximately 21.77 carats, medium to strong green, with typical inclusions visible to naked eye. Estimated total diamond weight approximately 5.00 - 7.00 carats, estimated colour of larger stones K-M, estimated clarity VS. 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."

Accompanied by The Gem & Pearl Laboratory report no. 10540, stating that the Emerald was found to be Colombian, with significant clarity enhancement.