Crystal earrings: Get these beautiful blue crystal stud earrings! Easy to wear: With a secure stud fastening. Blue cubic zirconia: Each earrings features 34 eye-catching blue cubic zirconia crystals measuring 1.5mm in diameter. Earring width: 4.5mm. Metal: Rhodium plated with copper and zinc base metal. Elegant: Th earrings are elegantly curved, shaping the face perfectly. Blue Crystal Stud Earrings | Living Social