IMO number 9228198 MMSI 235103359 Name of the ship DIAMOND PRINCESS Former names DIAMOND PRINCESS (2013) Vessel type Passenger vessel Operating status Active Flag United Kingdom (UK) Gross tonnage 115906 tons Deadweight 14601 tons Length 290 m Breadth 37 m Year of build 2004 Builder MITSUBISHI HEAVY INDUSTRIES LTD - KOBE, JAPAN Classification society LLOYD'S SHIPPING REGISTER Owner PRINCESS CRUISES LINES - VALENCIA CA, United States (USA) Manager PRINCESS CRUISES LINES - VALENCIA CA, United States (USA) Description DIAMOND PRINCESS is a Passenger vessel built in 2004 by MITSUBISHI HEAVY INDUSTRIES LTD - KOBE, JAPAN. Currently sailing under the flag of United Kingdom (UK). Formerly also known as DIAMOND PRINCESS. It's gross tonnage is 115906 tons.