This tanzanite center diamond halo ring is weighs 6.2 DWT (approx. 9.64 grams). It contains one oval violet tanzanite weighing 0.85 CTTW, 42 round G-H color, SI clarity diamonds weighing 1.00 CTTW, 14 baguette G-H color, and VS clarity diamonds weighing 0.25 CTTW.