High Polished Stainless Steel Military Ring: Coast Guard / USCG Decal emblem design Search "C&D Military Jewelry" on Amazon For More Military Items to Choose From! Center Stone Type: Synthetic, Material: Stainless Steel. Center Stone Color: Blue Sapphire, Product Weight (Approx) 19.60(g) (1) Military USCG U.S. Coast Guard Ring for Active officers or Veterans! Search "C&D Military Jewelry" on Amazon For More MilitaryItems to Choose From! High Polished Military Ring: Coast Guard / USCG. Material: Stainless Steel. Center Stone Type: Synthetic. Center Stone Color: Blue Sapphire. Center Stone Size (Approx) 12,10(mm). Center Stone Weight (Approx) 4.61(ct.). Product Weight (Approx) 19.60(g).