This gemstone stacking ring features black onyx — the protection stone — within its twisted ridge detailing and tapered design. The style is inspired by the ripples of the ocean. Team with more stacking rings for an instant ring stack. Metal: 18ct Recycled Gold Vermeil on Recycled Sterling Silver Stone Dimensions: Width 6.5-3mmmm, Length: 11.5mm Gemstone: Black Onyx Weight: 3.88g Product Code: WR-G-R1-BX