Lafonn Sterling Silver 4 Prong Set Cushion-Cut 1.98cttw Simulated Diamond Stud Earrings. Add elegance every day with these classic 4 prong set cushion-cut simulated diamond stud earrings. Made with platinum bonded sterling silver. The studs weight a total of 1.98cttw of Lassaire simulated diamonds, that's almost 1.0ct in each ear for endless everyday sparkle.. Comes with super comfortable and secure signature Lafonn friction back posts. All Lafonn pieces come with a full lifetime manufacturers warranty.