Opulence and vibrant colour are the hallmarks of these opal, emerald and diamond framed earrings from the EFFY™ Collection. 14K gold. Each earring features an 11.0 x 9.0mm oval-shaped opal cabochon centre stone. Round diamonds and baguette-cut emeralds surround each opal. 0.37 ct. t.w. of diamonds. Friction backs. A family-owned New York-based business, EFFY™ has built a reputation for unrivalled quality and flawless craftsmanship, with a sense of individuality captured in every design.