BERRICLE Rhodium Plated Sterling Silver Cushion Cut Cubic Zirconia CZ Halo Pendant 18" METAL: rhodium plated silver, stamped 925, high polished finish, nickel free. PREMIUM QUALITY STONE: Main Stone: 1.25 carat cushion cut simulated ruby cubic zirconia (6mm) PENDANT: 0.69 inch in length, 0.36 inch in width, CHAIN: 18 inch in length, 1mm in width, spring ring clasp GIFTING: Comes with FREE BERRICLE signature jewelry box and is ready for gifting.