Diamond & Emerald Halo Cocktail Ring in PlatinumDiamond Emerald Halo Cocktail Ring in Platinum. This modern right hand ring is floral in appearance and is done in a traditional Victorian style. The center stone is a . 64 carat round brilliant cut diamond that is bezel set and framed with light milgrain detailing. The center diamond is ringed by a halo of calibre cut emeralds. The emeralds have a soft green feminine tone that gives the ring a delicate look. Additional diamonds are set into the