Sure to be treasured, this onyx and diamond ring from the EFFY™ Collection is a radiant gift. 14K gold At the centre, an 11.0 x 9.0mm emerald-cut black onyx is framed in white diamonds The tapered shank is textured and edged with black diamonds 0.58 ct. t.w. of diamonds 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