Book
Explore
Tools
Costa Diadema
Costa
The Costa Diadema was built in 2014 and is among Costa’s 12 ships in its fleet. The Diadema is included in the cruise line’s Diadema Class. In the cruise ship stats below, you’ll find the Costa Diadema vs all of the other Costa ships.
Costa Diadema Size
How big is the Costa Diadema? Below, you’ll find all of the relevant cruise ship stats, specs and dimensions for the Costa Diadema. Included in these statistics are passenger capacity, length, year built, year renovated, cost to build, gross tonnage, engine info, number of rooms, deck counts and more!
Costa Diadema Capacity
Passenger Capacity refers to the total number of people that the Costa Diadema can accommodate. Of course, there are also crew members on board. Below, find the total onboard capacity, including staff and cruise guests.
3,724
passengers
Costa Avg: 3,769 guests
Costa Diadema Passenger Capacity: The passenger capacity for the Costa Diadema is 3,724 guests. The average capacity for the 12 active ships in Costa’s fleet is 3,769 passengers. The passenger capacity range for all Costa ships has a minimum of 2,680 guests and a maximum of 5,322 passengers.
1,253
crew
Costa Avg: 1,201 staff
Costa Diadema Crew Members: Staff on the Costa Diadema include 1,253 crew members. That’s a guest to staff ratio of 3.0 to 1. The average Costa ship includes 1,201 employees and has a passenger to staff ratio of 3.1 to 1.
Costa Diadema Passenger Capacity and Crew
vs Costa Fleet
Costa Diadema Length
How long is the Diadema? From end to end, the Costa Diadema length equals 1003 feet (306 meters). Compare that to the average ship length of all 12 active vessels in Costa’s fleet, measuring 982 feet (300 meters).
1,003
feet long
Costa Avg: 982 feet
The smallest Costa ship (in terms of length) measures 893 feet (273 meters) from end to end. The longest vessel spans 1106 feet (338 meters).
Our chart below shows the length of the Costa Diadema vs all other active Costa ships.
Costa Diadema Ship Length
vs all Costa Ships
Costa Diadema Built Date
When was the Costa Diadema Built? The Costa Diadema was built in 2014 and joined the cruise line’s Diadema Class.
Costa includes 12 active ships. The oldest in the fleet was built in 2003. The average Costa ship is 12 years old and the median build date for all active ships is 2011
2014
built date
Costa Avg: 2007
When was the last Costa Diadema Dry Dock? The Costa Diadema has not experienced dry dock improvements yet.
N/A
renovation date
Costa Diadema Info
Frequently Asked Questions
What is the Costa Diadema ship class?
The ship belongs to the Costa class of ships known as the Diadema class.
What is the Costa Diadema capacity?
We're often asked how many passengers are on the Costa Diadema. The ship's capacity is 3,724. When comparing the occupancy to the average Costa passenger capacity, you'll find that the average ship in the fleet holds 3,769 guests. Feel free to look at our graph above to see where this ship falls in line with all other live Costa ships.
How old is the Costa Diadema?
The Costa Diadema was built in 2014. Costa includes 12 active ships. The oldest in the fleet was built in 2003. The average Costa ship is 12 years old and the median build date for all active ships is 2012
Is the Costa Diadema a good ship?
Each of Costa's ships offers a unique layout with features and activities catered to all. Whether the Costa Diadema 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.
How long is the Costa Diadema?
From end to end, the Spectrum of the Seas length equals 1,003 feet (306 meters). Compare that to the average ship length of all 12 active vessels in Costa fleet, measuring 982 feet (300 meters). Please see our size comparison chart above to see how this ship falls in line with all other active ships in the fleet.