Ships within 1 day. Lovely, elegant black and white diamond ring in .925 sterling silver with rhodium. The sparkling natural 2/5 cttw round black diamonds are heat treated. The width of the ring is 4 mm. The ring is made of 9 black diamonds and 32 white diamonds set in prong setting. Gift box is included with purchase of this ring. Stone Type - Natural Black and White Diamond. Metal - 925 Sterling Silver. Number of Diamonds - 41. Diamond Cut - Round. Total Diamond Carat Weight - 2/5 cttw. Diamond Clarity - I1-I2. Vir Jewels Sterling Silver Statement Ring For Female Adult. Birthstone Month - April. Black diamonds have been heat treated to improve their appearance or durability.