Designed as a rotating plaque, set with a carved emerald within a frame of brilliant-cut diamonds, the mount embellished with similarly cut diamonds, size 52, signed MdV, Italian assay marks, case stamped della Valle.

Signed MdV for Michele della Valle. Italian assay mark for 18 carat gold, mounted in white gold. Emerald stated to weigh 8.22 carats, measuring approximately 16.05 x 13.55 x 6.10mm, green of medium strong saturation, with typical surface-reaching inclusions and a few scratches. Diamonds stated to weigh a total of approximately 3.00 - 3.50 carats, on average G-H colour, VS clarity, as gauged and graded in the mount. Scratches to the metal consistent with light use. In very good condition. Gross weight approximately 10 grams. Case stamped della Valle.
"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.
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."