The pistil set with step-cut emeralds, to the brilliant-cut diamond accents, the petals set  with similar stones of yellow tint, mounted in yellow and white gold, signed MY and maker's marks.

Stamped 750 for gold and signed MY for Michael Youssoufian and maker's marks. Emeralds measuring approximately from 5.5 x 4.70 to 7.20 x 6.55mm. Depths not determinable. Total weight stated to be 18.93 carats. Emeralds with typical crystal inclusions, some surface reaching, minor abrasions and nicks, not noticeable when worn. Very well matched in colour. Lively stones. For further information please refer to the Gübelin report. Total diamond weight stated to be 11.24 carats for the diamonds of yellow tint and 1.35 carats for the 'white' diamonds. Please note that the diamond of yellow tint have not been tested for natural colour. Condition as new.
"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."