Sterling Silver Celtic Knot Work Shamrock Dangle Earrings B Shamrock earrings are a stunning symbol of Irish faith and luck Made of 925 sterling silver. Nickel free The earrings feature Irish three leaf clovers and beautifully ornate knot work Each earring measures 0.6 inches tall and 0.7 inches wide. They weigh 3.9 grams Makes a wonderful gift for any woman of Irish descent