" Anya's clip earrings are made from real onyx set in sterling silver! Sterling silver forms an angled bezel setting for the cushion cut onyx stones. Each large onyx stone has a unique checkerboard faceted surface. Gleaming, high quality earrings were made for your favorite black dress! This item is part of our nickel free jewelry collection!Metal Type: Sterling-silver Metal Stamp: 925-sterling Stone: Onyx Carat: Cushion cut stone approx. 14mm tall/wide Backing: Non-pierced clip backing Measures: Approx. 18mm (.71"") tall/wide by 8mm (.31"") deep FYI: This item is part of our nickel free collection! "