Have the "Ocean Star" diamonds from Titanic been salvaged?

The "Ocean Star" diamond in Titanic was not salvaged.

The Star of the Sea, one of the four giant gems in the imperial court of Mongolia, is said to be used for divination and sky observation. Its origin is unknown, but one of its sources was plundered from a small Slavic country during the "eldest son's Western Expedition". The texture of the gem is blue, about the size of a seal. Its birthplace is Laitan (now Nogundi area in western Pakistan). It is said that after being driven to the north of the Great Wall by Zhu Yuanzhang, the Mongolian Empire was lost during the migration of Mongolian nobles, and its whereabouts are still unknown. Some people claimed that when the Germans captured Kiev in World War II, they saw the Ocean Star in the underground vault of the Soviet National Bank, but it was not confirmed. "In the Center of the Sea" in the movie Titanic is based on "hope", a diamond with bad luck in reality.

The existing diamond "Hope" weighs 45.52 carats and has an extremely rare dark blue. It is said that it is not only beautiful blue, but also seems to emit a fierce light. This may be because its foggy history is full of strange and tragic experiences, and it always brings irresistible bad luck to its owner.

1908, the blue diamond "Hope" was purchased by Turkish Sultangamid II for 400,000 US dollars. It is said that when the businessman who handled this business went out with his wife and children, the car fell off a cliff and the whole family was killed together. The blue diamond "Hope" was given to his confidant Zobid by Sudan in a Turkish court, but soon Zobid was executed by Sudan.