Ships within 1 day. Lovely, elegant 3 stone black diamond Ring in .925 sterling silver with rhodium. The sparkling 1/2 cttw princess shape black diamond gemstone is natural and heat treated and set in a prong setting. The width of the ring is 4 mm. This ring is available in multiple sizes. Gift box is included with purchase of this ring. Stone Type - Natural Black Diamond. Metal - 925 Sterling Silver. Number of Diamonds - 3. Diamond Cut - Princess. Total Diamond Carat Weight - 1/2 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.