Round Rhinestone with Crown Stud Earrings by Lovey Lovey Style : Stud Earrings. Material : Rhinestone, Alloy Hypoalergenic and Titanium Needle Pin. Size : Width -0.39"(1cm) / Length - 0.6"(1.4cm) Weight : 0.1oz (1.45 g*2) (Approx.)