Sterling Silver Diamond Heart-Shape Stud Earrings (1/5 cttw, H-I Color, I1-I2 Clarity) Twisted-heart stud earrings in sterling silver featuring prong-set round diamond at each center Friction-back posts All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free. Imported Carat weight listed is the total for both studs.