This is a decorative dot banded, circle headed 925 sterling silver ring with a rainbow moonstone gemstone. This is one of several similar rainbow moonstone rings available at Studio Jewellery. Nickel and Lead Free, Non Allergenic, Hypoallergenic. Circle head with decorative band work Some blue flashes Several similar rainbow moonstone rings available. Dimensions: Width=6mm Material: 925 Sterling Silver, Moonstone