This one-of-a-kind sapphire and diamond halo ring is made of 18K white gold and weighs 5.1 DWT (approx. 7.93 grams). It contains one cushion cut, blue sapphire weighing 4.09 CT, 12 round G color, VS clarity diamonds weighing 1.33 CTTW, and 54 round G color, VS clarity diamonds weighing 0.56 CTTW.