Van Cleef & Arpels

Of sprung bypass design, set with calibré-cut onyx cabochons, the terminals set with with oval onyx plaques and old European- and single-cut diamonds.

• Diamonds weighing a total of approximately 3.15 carats
• Internal circumference 6½ inches, expandable
• Signed Van Cleef - Arpels
• Platinum
• Circa 1920s