Sterlé. An emerald and diamond dress ring. France. Circa 1950's. photo courtesy Symbolic & Chase

The central cabochon emerald, with inclusions visible to the naked eye, some surface reaching, set within an openwork basket accented with circular-cut emeralds and diamonds, between triangular shoulders set with single-cut diamonds, to a graduated fluted band. Signed Sterlé Paris. Price $23,000

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