Sterling Silver Black and White Diamond Hoop Earrings (1 Cttw), 2" Diameter The contrasting black and white diamonds on these hoop earrings add a contemporary, surprising twist to a classic piece. Crafted in .925 sterling silver All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free. Black diamonds may have been treated to improve their appearance or durability and may require special care. Imported Carat weight listed is the total for all stones.