A Columbian emerald and diamond cluster ring, 18ct white gold, made as a modern oval cluster dress ring, set with central bright light vibrant apple green colour 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.