1.00 Carat Princess Cubic Zirconia 925 Silver Stud Earrings. Top Quality Nickel Free Settings. Half a Carat Each Stone 1.00 Carat Princess Cubic Zirconia Stud Earrings Equal to Diamond Weight Half a Carat Each Stone. 925 Sterling Silver Nickel Free Rhodium Finish Top Quality Casting Settings Use By Jewelers To Set Actual Diamonds Includes 2 Post Backs and 2 Backings 925 Stamped