Simply but very stylish design! Makes this round cut multi color CZ 4-prong setting stud earrings one of the most popular and wanted stud jewelry; for both males and females. These modern urban cubic zirconium stud earrings are beautifully set in precious .925 sterling silver with sparkling dazzling rainbow mystic round cut CZ. Different sizes are available: 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, and 11mm. For pierced ears only.