The articulated strap designed as a series of openwork geometric plaques pierced and connected by buckle-shaped links, accented by three cushion and rectangular step-cut emeralds, and set throughout with old brilliant, single and baguette-cut diamonds, mounted in platinum, diamonds approximately 12.75 carats total, length 18cm, fitted case by The Goldsmiths and Silversmiths Company Ltd., 112 Regent Street, London