Material: Cooper and zinc base metal with rhodium plating metal. Crystal: Features a 6mm deep blue cubic zirconia crystal, secured by six prongs. Jewellery: Get blue cubic zirconia stud earrings. Suitable for: Casual or formal wear - adds a beautiful touch to any outfit. Gift: Perfect for birthdays, valentine's day and mother's day. | Blue Cubic Zirconia Stud Earrings | Wowcher