Details A statement signet ring featuring a black agate center stone Ring is 13.8mm Available in US ring size 5, 6, 7, and 8 1 year warranty All LuvAj.com orders are sent in Luv Aj branded gift boxes or packaging Materials Made from plated brass and black agate Plating is waterproof and tarnish free 14K plated brass and Rhodium plated silver with E-Coating Plating details: 0.3 microns + e-coating for long lasting durability Plated high polish 14K Gold or Rhodium for maximum shine Rings are 100% nickel-free and cadmium-free