Deep, solid black with a smooth polished finish, black onyx is a classic that suits everyone. A chalcedony quartz (usually dyed for an even colour), it is hard-wearing and endlessly versatile across men's and women's pieces. Shop onyx bracelets, pendants and tumbled stones. Free UK delivery over £30.

Learn more in our Black Onyx guide and water-safe crystals guide, or browse crystal bracelets, necklaces and crystal gifts.