Centring on a cabochon tanzanite to a bombé surround of rose and brilliant-cut diamonds and circular-cut tanzanites, mounted in pink gold, size 54, signed Michele della Valle and numbered, pochette.

Stamped 750 for gold. Signed Michele della Valle and numbered 110759. Central tanzanite measuring approximately 19.25 x 15.04 mm, depth not measurable due to setting, typical crystal inclusions visible to the naked eye, a few are surface reaching. Other stones well matched in colour. Minor signs of wear to the metal, scratches consistent with use. 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."