Rhodium Plated Sterling Silver Solitaire Stud Earrings Set w/Swarovski Zirconia Princess Cut 6mm METAL: rhodium plated silver, stamped 925, high polished finish, nickel free. PREMIUM QUALITY STONE: Main Stone: 2.48 carat princess cut blue Swarovski zirconia (6mm). MEASUREMENTS: 0.24 inch in length, center posts with butterfly backs STYLE: These solitaire stud earrings flaunt mesmerizing center stones with a refreshing blend of timeless beauty and modern simplicity. GIFTING: Comes with FREE BERRICLE signature jewelry box and is ready for gifting.