A sparkling accessory you're sure to love. Prong-set blue cubic zirconias (2 ct. t.w.) dazzle in a polished, sterling silver stud setting. Approximate diameter: 2/5 inch. Giani Bernini Blue Cubic Zirconia Stud Earrings in Sterling Silver (2 ct. t.w.) Jewelry & Watches Fine Jewelry - Earrings