Ships within 1 daySterling Silver Black Diamond Ring (1/3 cttw). The Black Diamonds are Heat Treated.Stone Type - Natural Black and White DiamondMetal - 925 Sterling SilverDiamond Carat Weight - 1/3 cttw (0.33 cttw)Diamond Cut - RoundDiamond Color - Black ; White (I-J)Diamond Clarity - I1-I2Vir Jewels Sterling Silver Statement Ring For Female AdultBirthstone Month - April