Celtic Knot Reversible Moonstone Flip Triquetra Sterling Silver Ring Get the best of both worlds with this reversible ring. Featuring an exciting Celtic knot and a tantalizing moonstone, this 11mm sterling silver band is a great choice for the flip-flopping fashionistas. Stone: 11mm W Measure: Width: 11mm Weight: 9.3 Grams Material: .925 Sterling Silver, Moonstone Measure: 4mm Band Width Weight: 9.3 grams Get the best of both worlds with this reversible ring. Featuring an exciting Celtic knot and a tantalizing moonstone, this 11mm sterling silver band is a great choice for the flip-flopping fashionistas. Stone: 11mm W Measure: Width: 11mm, Weight: 9.3 Grams, Material: .925 Sterling Silver, Moonstone