IS THE BLUE NECKLACE FROM TITANIC IS REAL?  The blue necklace from the movie "Titanic," also known as the Heart of the Ocean, is a fictional piece of jewelry and does not actually exist. It was created specifically for the movie's plot and is not based on a real historical artifact.  The Heart of the Ocean is a popular cultural icon that has captured the imagination of many people around the world. However, it is important to remember that it is a fictional creation and not a genuine historical artifact.