Ships within 1 day. Lovely, elegant 1 cttw blue and white diamond engagement ring halo style in 14k white gold. The 51 sparkling natural round diamonds are I2-I3 clarity, blue and I-J color and set in a prong setting. The ring weighs 6 grams. Width of the ring is 12 mm while the length is 20 mm. Gift box is included with this ring. Stone Type - Natural Blue and White Diamond. Metal - 14K White Gold. Total Diamond Carat Weight - 1 cttw. Diamond Cut - Round. Diamond Color - Blue and I-J (White) Diamond Clarity - I1-I2. Number of Diamonds - 51. Diamond Setting - Prong. Metal Weight - 6 grams. Birthstone Month - April. Natural diamonds are treated by irradiation to produce a variety of fancy colors including hues of blue. This process is permanent and does not alter any other property of the diamond except the color.