Sterling Silver Black and White Diamond Inside-Out Hoop Earrings (1 cttw, H-I Color, I2-I3 Clarity) (0.9" Diameter) The contrasting black and white diamonds on these hoop earrings add a contemporary, surprising twist to a classic piece. Black diamonds may have been treated to improve their appearance or durability. Single cut diamond All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free.