Pond Ring - Black SpinelLike ripples on the surface of a pond, this sculptural ring highlights a faceted gemstone at it's center. This organic signet ring is substantial in weight and supremely comfortable to wear. Black spinel is a fantastic alternative to black diamonds, as they are a highly reflective and durable stone. solid signet ring with bezel set 10x8 oval faceted black spinel available in sterling silver or solid 14k yellow, white or rose gold made to order, ships