A Columbian emerald and diamond cluster ring, 18ct white gold, made as a modern oval cluster dress ring, set with central bright light green emerald of oval shape, weighing approximately 4.20ct, claw set in four corner claws, flanked to each shoulder by a cluster of nine brilliant cuts in a cluster arrangement, connected by two radiating rails of tapered baguette cuts, totalling approximately 1.30ct, merging to a pieced filigree worked band