Designed as a cluster of violets, the petals formed from pear-shaped amethysts, the centers of circular-cut rubies, framed by three leaves pavé-set with circular-cut tsavorite garnets, signed René Boivin, French assay marks. 

French assay marks for 18 carat gold. Signed René Boivin. Amethysts of light to medium purple; rubies of dark purplish red; tsavorite garnets of medium green; transparent, typical inclusions visible under magnification, light abrasions to some facet edges consistent with wear. 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.
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."

Cf: Suzanne Tennenbaum and Janet Zapata, Jeweled Garden, p. 152 for a similar violet brooch by Boivin.

Cf: Françoise Cailles, René Boivin Jeweller, p. 376. Sotheby's, New York 4th December 2007, Property from the collection of Mr Gordon Getty, lot 312, for a similar brooch by Boivin from the 1950s.