18K GREEN TOURMALINE & DIAMOND RING: 18K yellow gold ring contains one emerald cut tourmaline. Weight: 3.70 Ct. Approx. Rated VVS in clarity (Type I), G in Hue, 4-5 in Tone and 3 in Saturation. 18 round single cut and round brilliant cut diamonds. 30 baguette cut diamonds. Weight: 1.00 Ct. Approx. The diamonds average VS in clarity and G-H in color. The tourmaline is prong set. The diamonds are channel and deep set. Weight: 11.2 grams. Size: 8