These earrings are made from 14 Karat Solid Gold and solid Sterling silver. They are hypoallergenic and nickel-free. The earrings feature simulated diamond studs and are plated in Platinum. They have a 4 prong basket setting and measure 6.50mm in diameter, with a 1.00ct in each ear. The posts are double notched for comfort and extra security. Genuine Pure Brilliance Zirconia is used for these earrings. They are a timeless and classic piece, designed to be secure and durable. The metal plating gives them a lustrous appearance. Perfect for those looking for Cz stud earrings, these earrings are made with the highest available quality Zirconia by Pure Brilliance. They are designed with a solid 4 prong basket made from solid 925 sterling silver to embrace the Pure Brilliance Zirconia with safety and style. Enjoy these elegant earrings all day, without the worry of skin irritations or rashes. The posts are made from 14 Karat Solid Gold and the basket is made from solid Sterling silver.