Inspired from vintage filigree, this Thai black spinel ring displays the charm of a starless night sky. Thai black spinel ranks eight on the Mohs scale of hardness, meaning it is suitably scratch-resistant and durable. Embellished with elongated look, this ring features oval shaped Thai black spinel in the center. MIlgrain work on the shank adds an artistic touch to this jewelry piece. Dark and opaque, spinel is an excellent choice for anyone wishing to own a black gemstone. Set in surgical grade stainless steel, this ring is a must have for your collection. Hypoallergenic metal to reduce the possibility of rash, skin irritation or other problems.