18K yellow gold watermelon tourmaline and diamond ring. This bicolor tourmaline has a very distinct color break between the green and pink portions, 8.62ct. actual weight. The tourmaline is surrounded by a halo of 44 round full cut natural diamonds. The diamonds continue onto the bail, 20 in total, with an overall carat weight totaling 0.30ctw., H-color, SI1-clarity, prong set. 4.0 grams.