Wreck of the RMS Titanic the debris field was surveyed in Robert Ballard's 1986 expedition, pairs of shoes were observed lying next to each other on the sea bed. The flesh, bones, and clothes had long since been consumed but the tannin in the shoes' leather had apparently resisted the bacteria, leaving the shoes as the only markers of where a body had once lain. Ballard has suggested that skeletons may remain deep within "Titanic"s hull, such as in the engine rooms or third-class cabins. This has been disputed by scientists, who have estimated that the bodies would have completely disappeared by the early 1940s
Heart of the Ocean Stuart. It is believed that both Rose and the necklace went down with the sinking of the ship, leading some treasure salvagers to believe the necklace lies somewhere within the wreck of the "Titanic". The story of the Hope Diamond bears many similarities to the story of the Heart of the Ocean with the obvious exception of the Hope Diamond not actually having been on board the Titanic. In the 1953 film "Titanic", a blue diamond plays an important role in a love affair as well. A primary plot point in this earlier film is the theft of the diamond,