18ct white gold, emerald and diamond ring, of cluster design, centring a claw-set oval emerald, weighing 6.26 carats, framed by a line of twelve marquise-shaped diamonds, between shoulders pave-set with brilliant-cut diamonds, the diamonds together weighing approximately 1.76 carats, size M. Accompanied by a C. Dunaigre report number Cdc 1905254, dated 14 May 2019, stating that the 6.26 carat natural emerald is vivid green colour, and of Zambian origin.