Diamond Princess
Princess Cruise Line
Diamond Princess is one of Princess's 17 active ships and first entered service in 2004 with its most recent renovation in 2020. In terms of size, it comes in at 115,875 gross tons, 952 feet in length, and 14 passenger decks. On board, it supports up to 2,170 guests and approximately 1,100 crew members. The ship had an estimated build cost of $500 million and is flagged in United Kingdom.
Diamond Princess
Ship Stats
Year Built
2004
Last Renovated
2020
Tonnage
115,875 GT
Length
952 ft
Capacity
2,170
Crew
1,100
Cost
$500 million
Decks
14
Grand Class
Grand Class groups ships with similar design and onboard features within Princess. The first ship introduced in this class was Grand Princess (1998), followed by Caribbean Princess (2004), Diamond Princess (2004), Sapphire Princess (2004), Crown Princess (2006), Emerald Princess (2007), and Ruby Princess (2008).
Diamond Princess Ship Age
Diamond Princess entered service in 2004. Across Princess's active fleet, the average build year is 2011 and across all major active cruise lines the average ship launch year is 2011. Ranked newest-to-oldest, this ship is 13 of 17 (newest ship = rank 1).
Timeline order: newest to oldest
- Diamond Princess
Current ship
Diamond Princess Renovations
Latest recorded dry dock / major renovation date: 2020.
Renovation details
Diamond Princess’s 2020 refurbishment combined a MedallionClass upgrade with an extensive technical refit following an extended layup period. Guest accommodations were refreshed with updated furnishings, new soft goods, improved lighting, and enhanced comfort features. Dining venues and public spaces received targeted updates to décor, seating, and finishes to restore and modernize key guest areas. The MedallionClass platform was installed shipwide, introducing advanced digital services, personalized guest interactions, and improved operational efficiency. Significant technical work was also completed, including upgrades to hotel systems, mechanical components, environmental systems, and onboard infrastructure to ensure safe, reliable, and compliant operations following the ship’s return to service.
Diamond Princess Ship Size
Length and tonnage across Princess's fleet
Diamond Princess measures 952 feet (290 m) (vs Princess fleet average of 1,020 ft) and has gross tonnage of 115,875 GT (vs fleet average of 128,868 GT). It ranks 13 of 17 by length and 9 of 17 by tonnage in Princess's active fleet.
Passenger Capacity & Crew Size
Diamond Princess vs Princess fleet averages
Diamond Princess carries 2,170 passengers (vs Princess average of 2,986) and has 1,100 crew members onboard (vs fleet average of 1,165). That puts this ship at a passenger-to-staff ratio of 1.97:1 compared with Princess's overall 2.56:1 average.
Passenger Capacity
2,170
passengers
Crew Members
1,100
staff members
Passenger to Crew Ratio
1.97 : 1
Princess Avg
2.56 : 1
Deck Plans
The Diamond Princess has a total of 13 passenger decks. The lowest level available to guests is Deck 4. The highest passenger deck is Deck 17. Click below to access deck plans for the Diamond Princess. The resulting page will provide a floor plan and summary of all things to do offered on that level of the ship.
Frequently Asked Questions
Diamond Princess quick answers covering size, capacity, deck plans, and what to expect onboard.
You will find the Diamond Princess Casino on Deck 6 of the ship.
You will find the Diamond Princess buffet on Deck 14 of the ship.
Diamond Princess’s 2020 refurbishment combined a MedallionClass upgrade with an extensive technical refit following an extended layup period. Guest accommodations were refreshed with updated furnishings, new soft goods, improved lighting, and enhanced comfort features. Dining venues and public spaces received targeted updates to décor, seating, and finishes to restore and modernize key guest areas. The MedallionClass platform was installed shipwide, introducing advanced digital services, personalized guest interactions, and improved operational efficiency. Significant technical work was also completed, including upgrades to hotel systems, mechanical components, environmental systems, and onboard infrastructure to ensure safe, reliable, and compliant operations following the ship’s return to service.
The ship belongs to the Princess class of ships known as the Grand class.
The Diamond Princess has a total of 13 passenger decks. The lowest deck is Level 4. The upper most passenger deck is Level 17.
We're often asked how many passengers are on the Diamond Princess. The ship's capacity is 2,170. When comparing the occupancy to the average Princess passenger capacity, you'll find that the average ship in the fleet holds 3,197 guests. Feel free to look at our graph above to see where this ship falls in line with all other live Princess ships.
The Diamond Princess was built in 2004. Princess includes 17 active ships. The oldest in the fleet was built in 1998 while the newest ship was built in 2025. The average Princess ship is 15 years old and the median build date for all active ships is 2008
Each of Princess's ships offers a unique layout with features and activities catered to all. Whether the Diamond Princess is right for you will depend on your individual preferences. Do you prefer a larger or smaller ship with many or fewer guests? Are you hoping for many family activities or entertainment options for an older clientele. Our deck maps layout and activities list provide a helpful guide to what you'll find on board. Feel free to explore the see if this ship is suited towards your preferences.
From end to end, the Diamond Princess length equals 952 feet (290 meters). Compare that to the average ship length of all 17 active vessels in Princess fleet, measuring 1,020 feet (311 meters). Please see our size comparison chart above to see how this ship falls in line with all other active ships in the fleet.