This one-of-a-kind tanzanite and diamond halo ring is made of 18K white gold and weighs 3.60 DWT (approx. 5.6 grams). It contains one oval cut, blue tanzanite weighing 6.48 CT, 18 round G-H color, SI clarity diamonds weighing 1.00 CTTW, and 26 round G-H color, I1-I2 clarity diamonds weighing 0.50 CTTW.