This one-of-a-kind sapphire and diamond halo diamond engagement ring is made of 18K white gold and weighs 2.7 DWT (approx. 4.2 grams). It contains one pear cut, blue sapphire weighing 0.80 CT, one pear cut, G color, VS clarity diamond weighing 0.16 CT, and 40 round G color, VS clarity diamonds weighing 0.51 CTTW.