18K white gold green tourmaline and diamond ring. The primary stone is a trilliant cut green tourmaline, 3.50ct. actual weight. The tourmaline has a deep green color, with no color zoning or visible imperfections, with good cut and polish. This stone is surrounded by a halo of 38 round full-cut natural diamonds. The diamonds continue onto the split shank, 32 in total. The overal diamond carat weight is 0.30ctw. 4.6 grams.