Cocktail Ring Modern 1.55 carat Trilliant Cut Diamonds with Sapphires in PlatinumWhere to begin describing this impressive modern cocktail ring? How about with the 1. 55 carats of Trillion cut diamond set back to back in a thin bezel setting creating a ultra modern marquise shape. This is then surrounded by a double halo one row of sapphires and another of diamonds. The first halo is . 35cttw., of French cut sapphires which slightly overlap at the top and bottom of the halo. Then another . 24cttw of round brilliant cut diamonds