Popular but very stylish design makes the round cut cz stud earrings, one of the most popular and wanted cz jewelry for both male and female. These modern and simple cubic zirconium stud earrings are beautifully set in precious .925 sterling silver basket set with screw back posts along dramatic in style black round cut CZs. Different sizes available: 6mm (0.25″), 7mm (0.28″), 8mm (0.32″), 9mm (0.35″) and 10mm (0.40″). UNISEX. For pierced ears only.