Ruby and diamond necklace, 1930s

Of geometric design, set with cabochon rubies, circular-, single-cut and baguette diamonds, length approximately 450mm, French assay and maker's marks, several diamonds deficient.

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. Accompanied by The Gem & Pearl Laboratory report no. 11948, stating that a sample of the rubies are of Burmese origin, with no indications of heat treatment. Accompanied by Gübelin reports from 1992, stating that two of the rubies are of Burmese origin, with no indications of heating. French assay marks for 18 carat gold and platinum. Rubies reddish colour, some purplish red, surface reaching fissures to some, typical inclusions visible to the naked eye. Estimated total diamond weight approximately 40.00-50.00 carats, estimated G-I colour, estimated VS-SI on average. A few diamonds deficient. Maker's mark. Secure clasp. Scratches to metal 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."

Accompanied by The Gem & Pearl Laboratory report no. 11948, stating that a sample of the rubies are of Burmese origin, with no indications of heat treatment.

Accompanied by Gübelin reports dated 1992, no. 9201006 and 9201007, stating that two of the rubies are of Burmese origin, with no indications of heating.