Made of stainless steel. This ring features a beautiful natural opal with an iridescent glow (play-of-color) at its center, surrounded by a design resembling a butterfly with outstretched wings, edged with small diamonds. It is characterized by a very delicate and elegant design. Notes: ***Photos are taken in natural light. Photos are not processed. ***Due to being an amateur, there may be some color differences between the actual product and the photos due to the angle of the shot and the lighting. Please understand! ***All stones are unprocessed and natural. ***For perfectionists: There is no such thing as a perfect item in this world. Please keep this in mind. Please refrain from purchasing this product if you are a perfectionist. Thank you for your understanding.