BERRICLE Rhodium Plated Sterling Silver Cushion Cut Cubic Zirconia CZ Solitaire Stud Earrings 6mm METAL: rhodium plated silver, stamped 925, high polished finish, nickel free. PREMIUM QUALITY STONE: Main Stone: 2.5 carat cushion cut clear cubic zirconia (6mm). MEASUREMENTS: 0.24 inch in length, posts with butterfly backs Unisex. STYLE: These solitaire stud earrings' simple and chic elegance will compliment any casual or formal look. GIFTING: Comes with FREE BERRICLE signature jewelry box and is ready for gifting.