C LUXE by Claire's Sterling Silver Cubic Zirconia 6mm Square Stud Earrings. Decorate your ears to sparkle in these sterling silver beauties. The post-back earrings have square cubic zirconias that will work with your fave fits. About C LUXE by Claire's Crafted with high-quality metals, gems, and materials to elevate your everyday look or showcase the perfect mix of fun with a dash of indulgence, C LUXE by Claire's is made for showing up to stand out. Finish: Silver Closure: Post back Material: Sterling silver, Cubic zirconia