AGS Certified 18K White Gold 1.0 Cttw 4-Prong Set Princess-Cut Solitaire Diamond Screw Back Stud Earrings (E-F Color, SI2-I1 Clarity) Elegant and classic, these solitaire studs are beautifully set in the finest 18k white gold and shine with a natural, prong-set diamond each. The diamonds are princess-cut and have a total carat weight of 1.0 cttw. These earrings are the perfect accessory for any occasion, a formal night out or a casual daytime lunch. They come with an AGS certificate that certifies the quality grade of the expertly hand-set stones. You can't go wrong investing in these magnificent earrings. Total Dimensions: 15 L x 5 W x 5 H, Product Gram Weight: 0.9.