Magic Metal Mermaid Ring Size 6.5 Gold Star Fish Sea Shell Crab Nautical Ocean Fashion Jewelry Ships from the USA Ocean Sea Creatures Ring. Applied Enamel Crab and Starfish Details. Ring Size: 6.5. Face (Oyster to Crab) Measures 1 inch by 3/4 inch. Makes a great gift. Search Magic Metal Jewelry for more jewelry styles.