Make everyone go green with envy by wearing this Thai black spinel ring from the KARIS Collection. Thai black spinel ranks eight on the Mohs scale of hardness, meaning it is suitably scratch-resistant and durable. Laced with white topaz, this oval shaped spinel with deep black hues creates an interesting contrast. Milgrain halo and designer side gallery adds extra beauty to this ring. Dark and opaque, spinel is an excellent choice for anyone wishing to own a black gemstone. Set in platinum bond brass, this ring comes with finished under gallery for comfortable wearing. Lead and Nickel Free. Durable and Hypoallergenic metal. Tarnish resistant.