All About the “Heart of the Ocean” From Titanic September 24, 2020 Unipro2013main Beautiful Gemstones Jewels and Gemstones 20 years ago, fans were enamored with the Heart of the Ocean, the massive, fictional diamond necklace in Titanic. Natalie looks back on the movie and its beautiful cubic zirconia prop. Credit JTV Please support our Sponsors here :