Round CZ Stud Earrings Set - 5 Pairs Sterling Silver Sizes 3mm 4mm 5mm 6mm 7mm HIGH QUALITY CZ STONES: River Island Jewlery CZ Stones is simply one of the finest simulants on the market. With color, clarity and cut crafted to match natural standards. Our Cubic Zirconia provides a breathtaking level of brightness like no other brands CRAFTED OF STERLING SILVER: River Island Jewelry never compromises on quality. These beautiful earrings are made up of sterling silver which is considered perfect for body jewelry.