Two gem set and diamond rings

One set with a step-cut aquamarine between shoulders of scroll design, set with calibré-cut and cabochon sapphires and circular-cut diamonds, size O^1/2, British hallmarks; one designed as a single line of calibré-cut rubies and sapphires with hinged half hoop lines of circular-cut diamonds, size N.

Rubies of Burmese origin cannot be imported into the US; this piece may contain a ruby of Burmese origin and therefore may not be able to be imported into the US. Certification of non-Burmese origin is required before the import of rubies into the US. Please see our Important Notices and contact the jewellery department for further information. Aquamarine ring: Stamped 750 for 18 carat gold. British hallmarks for London, 1993. Aquamarine measuring approximately 15.1 x 10.6 x 7.9mm, medium blue, typical inclusions visible under magnification. Sapphires medium blue, typical inclusions visible under magnification. Diamonds bright and lively. Ruby and sapphire ring: Rubies medium red, sapphires dark blue, typical inclusions visible under magnification, some abrasions to facet edges. Diamonds bright and lively. Hinged links sit flush against central band. Each with scratches to mount consistent with wear. 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."