Tiramisu- Brass Black Onyx Gemstone Cocktail RingMetal Brass Black Onyx (Gemstone Composition Natural, Enhancement Dyed) The ring has a multi band design, with several overlapping gold color bands creating a layered effect. A dark, oval shaped black onyx gemstone is set in the center of the ring. The bands of the ring have a slightly beveled or rounded silhouette, creating a smooth transition from one band to the next. The ring's metal appears to be gold, reflecting light in varying degrees of