Home / Rings / Dress Rings / Emerald and Diamond Coronet Cluster Emerald and Diamond Coronet Cluster £5,600.00 Information Fine Columbian Emerald and Diamond Coronet Cluster Ring. The central Oval Emerald weighs 1.00ct and is surrounded by eight Brilliant Cut Diamonds weighing 0.98 Carats 18ct White Gold. Yellow gold centre setting and claws Free sizing and delivery Specifications Brand: The Jewellers Bench