Here are some pictures of the moon rings from the show you can buy :D Buy online

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

MAKO Mermaid Inspired Adjustable Mermaids Moon Pool Ring

New 10 mm Cat Eye Cabochon Hand Made H2O Just Add Water Mako Mermaid Tail Ring

Mako Mermaids: Moon Ring 2, S1 E17 Zac finds a moon ring and because he doesn't know what it is, he gives it to his girlfriend Evie as a surprise. Now

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

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

H2O Just Add Water Mako Mermaids Moon Ring 925 Sterling Silver with Peridot Crystal

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

Moon Ring Mako Mermaids

H20 Just Add Water Mako Moon Pool Glow Style Ring Mermaids Tail BFF Bracelet H2O