925 Sterling Silver Platinum Finish (Screw Post) Backing 2.00 Carat Total Weight Cubic Zirconia Princess Stones 6.50mm 1.00 Carat Each Exclusive Design Screw Back Sterling Silver 925 Studs Platinum Finish Over Sterling Silver Princess Studs 2.00 Carat Total - 1.00 Carat Each 7 by 7mm AAAAAA Cubic Zirconia Graded Stones Tarnish Free and Nickel Free