Ships within 1 day. Lovely, elegant blue diamond wedding ring in .925 sterling silver with rhodium plating. The sparkling 0.16 cttw round shape blue diamonds are natural and irradiated. The width of the ring is 2 mm. This ring is available in multiple sizes. Gift box is included with purchase of this ring. Stone Type - Natural Blue Diamond. Metal - 925 Sterling Silver. Diamond Carat Weight - 1/6 cttw (0.16 cttw) Diamond Cut - Round. Diamond Color - Blue. Diamond Clarity - I1-I2. Diamonds - 13. Vir Jewels Sterling Silver Wedding Band For Female Adult. 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.