Sterling Silver Blue Sapphire And White Cubic Zirconia Bubble Stud Earrings. Premium AAA Grade Stones Set In High-Polished Bezel Mounts. Features A Brilliant Sapphire-Blue Centre Stone Accented By Three Shimmering White Stones. 12mm Overall Diameter With 2mm, 2.5mm, 3mm, And 4mm Stone Sizes. Crafted From Solid 925 Sterling Silver With Hypoallergenic Properties. Rhodium Finished For Tarnish-Resistant, Premium White-Gold Appearance. Perfect September Birthstone Gift. Supplied With Gift Packaging.