What is the island necklace Poppy Montgomery wears in unforgettable?

In the TV series "Unforgettable," Poppy Montgomery's character, Carrie Wells, wears a distinctive island necklace that features a design inspired by the shapes of various islands. This piece is notable for its intricate and unique look, which reflects the character's complex personality and her connection to memories and experiences. The necklace has become a recognizable part of her character's style throughout the series.