Sterling Silver Champagne Diamond Stud Earrings (0.10 cttw, I2-I3 Clarity) Diamond studs are a classic wardrobe staple. These champagne diamond studs will be your essential accessory for earth tones and neutrals! 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.