Vir Jewels Women's 1 CT Diamond Bracelet in Silver, Black .925 Sterling Silver STONE - Black-Diamond, 0.96 CTTW. Item Width: - 0.15 IN ; Item Length - 7.5 IN 1 CTTW. Black diamonds have been heat treated to improve their appearance or durability. Clasp Type: Box-With-Tongue-And-Safety Stone Clarity: I3 ; Stone Color: Black Jewelry Gift Box Included