Made from black ceramic, a material known for its hard, smooth surface which is cut using diamonds in a technically refined process. Set with black onyx semi-precious stone for a smart and uniformed look. The colour and natural formation of our gemstones differ from one another due to natural variation, making each piece truly one of a kind. Add your personal messages with our engraving service. Please note that this ring can only be engraved on the outside bottom part. For more information please contact customer service.