Natural Pearl, Emerald and Diamond Ring. Designed as a pavé-set diamond open hoop, one end set with a natural pearl, to the diamond briolette surround, and the other end set with a step-cut emerald stated to weigh 1.75 carats, decorated with rose-cut diamonds, the diamonds weighing 5.50 carats in total, mounted in white and yellow gold. Ring size: 6¼.