White gold and radiant diamonds are indeed traditional, but this Marco Bicego Goa ring features a striking, stacked silhouette that creates a modern presentation. From the Goa Collection. 18-karat white gold shapes the illusion of 7 stacked rings. Prong-set and shared prong-set white diamonds. 0.41 total diamond carat weight. Hand-brushed texture. Marco Bicego logo engraving on back. 1/2"W.