One set with lapis lazuli accented with white enamel and brilliant-cut diamonds, size 51, the other modelled in a geometric design, mounted in yellow gold,  size 52, both signed Webb.

Stamped 18K 750 for gold. Gross weight for both rings 59 grams. Lapis lazuli bright blue colour with typical mottling and inclusions. White enamel with light discolouration on some leaves, a few losses and minor scratches. Signs of normal wear to the metal, minor tarnish and scratches consistent with age. 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."