René Boivin. An emerald and diamond clip brooch, France. Circa 1935. photo courtesy Symbolic & Chase

The shield-shaped plaque composed of foliate sections set with brilliant-cut diamonds, interspersed with square-cut emeralds, to a central sugar-loaf emerald within an odeonesque concentric pattern of polished gold. French assay mark and maker’s mark. Price $70,000

From the Symbolic & Chase Collection of Rare Authenticated Rene Boivin Jewels. Accompanied by a certificate from Francoise Cailles stating the date of manufacture to be 1935.

Symbolic & Chase, 30 Old Bond Street, London UK, W1S4QQ. Phone: 02074999902 - E-Mail: info@symbolicchase.com