Premium grade 316L solid stainless steel mixes with 18k Yellow Gold.to create our new Midnight Skull Ring. Flawless black Diamondeau® - flawless simulated diamond have also been expertly set in each piece to give a taste of mysterious luxury.  This fusion of materials is made to last, resistant to corrosion and tarnishing. Your perfect accessory for any occasion - practical and stylish for years to come.