US Navy Ring - Stainles Steel (Gold Plated w/ Blue Stone) 19.5mm thick. U.S. Navy Seals Uniform Veteran Ring - flag decal emblem design Approx 19.5mm thick - High Polished Military Ring: Navy / USN Search "C&D Military Jewelry" on Amazon For More Military Items to Choose From! Center Stone Type: Synthetic, Material: Brass with Gold Plating Center Stone Color: Blue Sapphire, Product Weight (Approx) 19.60(g) (1) Military USN Navy Ring for Active officers or Veterans! Ideal for Navy Seals!