link
Very rare and hard to get hold of.. sold out everywhere.
Its a replica of the locket (with moodstone) that the mga sirena wear in the TV ipakita H2o Just add Water and is an official licensed product.
The kuwintas is great quality. It is a highly polished stainless steel kuwintas that looks like silver. The locket opens and has three pictures of the mga sirena to put inside (or you can use your own photo).