Heart Stud Earrings for Women Girls Teens. Quality Crafted With White Created Australian Fire Opal and Clear AAAA Quality Cubic Zirconia.925 Genuine Sterling Silver with Rhodium Plating For A Polished Finish. Length 12mm (0.47 Inches) Makes Great Gifts for any Occasion Birthday, Anniversary, Christmas, Anniversary, Valentine's Day, or Just Because. Even a Great Gift for Yourself.