Is there really a “Heart of the Ocean” in the world?

The non-existent "Heart of the Ocean in Titanic" does not exist in reality, but there is a prototype, a blue diamond called Hope. In **, in the center of the ocean is a heart shape. The blue diamond. . It is reported that the director of "Titanic" is very demanding. This diamond is also made from real tanzanite. In fact, I hope the shape of the blue diamond is not the same as the center of the ocean. shape. This rare blue diamond was discovered in 1642 AD, but it is also known as the "Destiny Diamond" because of all the things its wearer has experienced