Mimmi's Moon Ring from Mako Mermaids, probably size 10 to wear on index finger.

Mako Mermaid Ring Sterling Silver 925

Moon Rings, Mako Mermaids Wiki

Mako Mermaid Moon Ring

H2O Just Add Water Mako Mermaids Moon Ring 925 Sterling Silver with Capri Blue Crystal - Atoichi H2O Mermaid Lockets - Make Your Dreams Come True!

My very own moon ring! I'm a real mako mermaid now! #makomermaid #h2o , mako mermaids sirena and david

Mermaid jewelry - Mermaid ring sterling silver, Mako mermaids, Mermaid ring

Turquoise Ring Sterling Silver Ring Handmade Ring Women Ring Bohemian Ring Oval — Discovered

Mako Mermaids: Truce, S1 E16 Cam and Nixie get into an argument. While arguing, Cam's new phone, which has a video of Zac swimming gets in David's hands. Nixie, Sirena, Lyla

Blue opal ring

H2O Just Add Water Mako Mermaids Moon Ring 925 Sterling Silver with Rose Gold Crystal - Atoichi H2O Mermaid Lockets - Make Your Dreams Come True!