Entertainment level
Entertainment spaces include Bravo Chef Show.
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Costa Cruises ship guide
Costa Diadema
Costa Diadema, launched in 2014, is built for relaxation and fun with lots of on-board activities, scintillating bars, gourmet restaurants and the spa area.
- Launched
- 2013
- Rating
- 5 star
- Sailings
- 213 current
Sailings and guide prices come from our supplier feed and may change until confirmed.
Rest well
Spaces designed for you
For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable…
View Interior Group ( I3 + I4 )
Experiences onboard
Curated moments. Every day.
Ship research guide
Explore Costa Diadema before you choose
Cabins, dining, onboard spaces, media and current sailings are brought together so Costa Diadema feels easy to judge at a glance.
28
Cabin styles
28
Cabin photos
1
Bars and lounges
4
Onboard spaces
16
Media items
Current cruises
213 current sailings
Move from research into current cruise options when the ship feels right.
Ship Match Snapshot
Is Costa Diadema the right ship for you?
A plain-English fit check using ship-specific guide notes first, then cruise-line guidance where available.
Cabin choice
28 cabin categories are represented for this ship.
First-time cruiser note
First-time cruisers can compare 28 cabin categories and 213 current sailings before choosing a sailing.
Experienced cruiser note
Experienced cruisers can scan 28 cabin categories and 213 current sailings before narrowing down a sailing.
Ship fast facts
Costa Diadema at a glance
Only confirmed ship facts are shown here, grouped for quick comparison.
Capacity
- Crew
- 1253
- Staterooms
- 1886
Size
- Gross tonnage
- 132500
Ship history
- Launched
- 2013
Guide information last updated Jul 12, 2026. Sailings and prices are shown separately in the cruise search.
What makes this ship special?
Costa Diadema highlights
Named venues, facilities and ship highlights are shown when available.
Dining
Wine Bar
Entertainment
Bravo Chef Show
Highlights
Laser Star
Highlights
Teppanyaki
Cabin Explorer
Cabins on Costa Diadema
Compare the main cabin options on Costa Diadema, including representative images, sleeping capacity, size and key features where available.
Cabin image explorer
Costa Diadema cabin styles
Scroll through representative cabin imagery, then compare the cabin groups below.
Inside
Interior Group ( I3 + I4 )
Inside
Interior
Balcony
Balcony Group
Inside
Interior Group ( I1 + I2 )
Inside
Interior
Balcony
Balcony Group
Inside
Interior
Oceanview / Outside
Oceanview Group ( E1 + E2 )
Inside
Interior
Oceanview / Outside
Oceanview
Interior cabin styles
Inside
10 cabin categories | 10 with photos
Window and sea-view cabin styles
Oceanview
6 cabin categories | 6 with photos
Private outside space
Balcony / Veranda
9 cabin categories | 9 with photos
Enhanced cabin categories
Concierge / Aqua / Premium
3 cabin categories | 3 with photos
Larger cabin styles
Suite
3 cabin categories | 3 with photos
For single travelers
Solo
10 cabin categories | 10 with photos
Extra flexibility
Family
15 cabin categories | 15 with photos
Adapted cabin styles
Accessible
7 cabin categories | 7 with photos
Interior cabin styles
Inside
Showing representative cabin styles so the page stays easy to scan. 6 more cabin categories are available on this ship.
Use horizontal scrolling, touch swipes, or the arrow keys to browse.
Cabin imageInsideAccessibleFamilySolo
Interior Group ( I3 + I4 )
Code IN2Sleeps up to 19
For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a.
- Cabin Details: From 1 to 4 people Up to 19 m² Dorelan mattresses and pillows Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a new adventure
Images and layouts vary by ship and cabin grade.
Cabin imageInsideAccessibleFamilySolo
Interior
Code I4Sleeps up to 19
For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a.
- Cabin Details: From 1 to 4 people Up to 19 m² Dorelan mattresses and pillows Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a new adventure
Images and layouts vary by ship and cabin grade.
Cabin imageInsideAccessibleFamilySolo
Interior Group ( I1 + I2 )
Code IN1Sleeps up to 19
For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a.
- Cabin Details: From 1 to 4 people Up to 19 m² Dorelan mattresses and pillows Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a new adventure
Images and layouts vary by ship and cabin grade.
Cabin imageInsideAccessibleFamilySolo
Interior
Code I2Sleeps up to 19
For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a.
- Cabin Details: From 1 to 4 people Up to 19 m² Dorelan mattresses and pillows Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a new adventure
Images and layouts vary by ship and cabin grade.
Window and sea-view cabin styles
Oceanview
Showing representative cabin styles so the page stays easy to scan. 2 more cabin categories are available on this ship.
Use horizontal scrolling, touch swipes, or the arrow keys to browse.
Cabin imageOceanview / OutsideFamilySolo
Oceanview Group ( E1 + E2 )
Code ET1Sleeps up to 20
A beautiful view of the sky and the sea in your room. Enjoy an ever changing view from the comfort of your bed!
- Enjoy an ever changing view from the comfort of your bed!
- Cabin details From 1 to 4 people Up to 20 m² Window (porthole) Dorelan mattresses and pillows Shower Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel TV Double bed or 2 single beds side by side
Images and layouts vary by ship and cabin grade.
Cabin imageOceanview / OutsideFamily
Oceanview
Code E2Sleeps up to 4
Capacity for up to 4 guests Adjustable air conditioning Dorelan mattresses and pillows Pool towel Hair dryer Emotional shower Safe (19.5cm x 33cm x 14.5cm) Phone with new Call me service Cleaning service every day USB.
- Capacity for up to 4 guests Adjustable air conditioning Dorelan mattresses and pillows Pool towel Hair dryer Emotional shower Safe (19.5cm x 33cm x 14.5cm) Phone with new Call me service Cleaning service every day USB sockets 2.1A/5V Sockets for current 220 -110 Volt/60 Hz Wardrobes for your luggage Desk with chair Bathroom products Bath linen
Images and layouts vary by ship and cabin grade.
Cabin imageOceanview / OutsideFamily
Oceanview
Code E1Sleeps up to 4
Capacity for up to 4 guests Adjustable air conditioning Dorelan mattresses and pillows Pool towel Hair dryer Emotional shower Safe (19.5cm x 33cm x 14.5cm) Phone with new Call me service Cleaning service every day USB.
- Capacity for up to 4 guests Adjustable air conditioning Dorelan mattresses and pillows Pool towel Hair dryer Emotional shower Safe (19.5cm x 33cm x 14.5cm) Phone with new Call me service Cleaning service every day USB sockets 2.1A/5V Sockets for current 220 -110 Volt/60 Hz Wardrobes for your luggage Desk with chair Bathroom products Bath linen
Images and layouts vary by ship and cabin grade.
Cabin imageOceanview / Outside
Classic Outside Ocean view
Code EC
Window Air-conditioning Flat LCD satellite TV WiFi (service with extra charge) Minibar and Room Service (service with extra charge) Hairdryer Safe
- Window Air-conditioning Flat LCD satellite TV WiFi (service with extra charge) Minibar and Room Service (service with extra charge) Hairdryer Safe
Images and layouts vary by ship and cabin grade.
Private outside space
Balcony / Veranda
Showing representative cabin styles so the page stays easy to scan. 5 more cabin categories are available on this ship.
Use horizontal scrolling, touch swipes, or the arrow keys to browse.
Cabin imageBalconyFamilySoloBalcony
Balcony Group
Code BA1Sleeps up to 20
A large balcony just for you. Night or day, experience the beauty of the sea and take remarkable selfies with the one you love.
- Cabin Details: From 1 to 4 people Up to 20 m² Private terrace Dorelan mattresses and pillows Shower Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- A large balcony just for you
Images and layouts vary by ship and cabin grade.
Cabin imageBalconyFamilySoloBalcony
Balcony Group
Code BA2Sleeps up to 20
A large balcony just for you. Night or day, experience the beauty of the sea and take remarkable selfies with the one you love.
- Cabin Details: From 1 to 4 people Up to 20 m² Private terrace Dorelan mattresses and pillows Shower Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- A large balcony just for you
Images and layouts vary by ship and cabin grade.
Cabin imageBalconyFamilyBalcony
Balcony
Code B3Sleeps up to 4
Total 2 guests Mandatory hotel service charges are included in the price.
- 20 mq TV 3rd and 4th beds available Shower Sea view Private balcony In all cabins: Capacity for up to 4 guests Adjustable air conditioning Dorelan mattresses and pillows Pool towel Hair dryer Emotional shower Safe (19.5cm x 33cm x 14.5cm) Phone with new Call me service Cleaning service every day USB sockets 2.1A/5V Sockets for current 220 -110 Volt/60 Hz Wardrobes for your luggage Desk with chair Bathroom products Bath linen
Images and layouts vary by ship and cabin grade.
Cabin imageBalconyFamilyBalcony
Balcony
Code B2Sleeps up to 4
Total 2 guests Mandatory hotel service charges are included in the price.
- 20 mq TV 3rd and 4th beds available Shower Sea view Private balcony In all cabins: Capacity for up to 4 guests Adjustable air conditioning Dorelan mattresses and pillows Pool towel Hair dryer Emotional shower Safe (19.5cm x 33cm x 14.5cm) Phone with new Call me service Cleaning service every day USB sockets 2.1A/5V Sockets for current 220 -110 Volt/60 Hz Wardrobes for your luggage Desk with chair Bathroom products Bath linen
Images and layouts vary by ship and cabin grade.
Enhanced cabin categories
Concierge / Aqua / Premium
Showing representative cabin styles so the page stays easy to scan.
Use horizontal scrolling, touch swipes, or the arrow keys to browse.
Cabin imageInside
Premium Inside
Code IP
Air-conditioning Flat LCD satellite TV WiFi (service with extra charge) Minibar and Room Service (service with extra charge) Hairdryer Safe
- Air-conditioning Flat LCD satellite TV WiFi (service with extra charge) Minibar and Room Service (service with extra charge) Hairdryer Safe
Images and layouts vary by ship and cabin grade.
Cabin imageOceanview / Outside
Premium Outside Ocean view
Code EP
Window Air-conditioning Flat LCD satellite TV WiFi (service with extra charge) Minibar and Room Service (service with extra charge) Hairdryer Safe
- Window Air-conditioning Flat LCD satellite TV WiFi (service with extra charge) Minibar and Room Service (service with extra charge) Hairdryer Safe
Images and layouts vary by ship and cabin grade.
Cabin imageBalconyBalcony
Premium Ocean View Balcony
Code BP
Window and private balcony with sea view Air-conditioning Flat LCD satellite TV WiFi (service with extra charge) Minibar and Room Service (service with extra charge) Hairdryer Safe
- Window and private balcony with sea view Air-conditioning Flat LCD satellite TV WiFi (service with extra charge) Minibar and Room Service (service with extra charge) Hairdryer Safe
Images and layouts vary by ship and cabin grade.
Larger cabin styles
Suite
Showing representative cabin styles so the page stays easy to scan.
Use horizontal scrolling, touch swipes, or the arrow keys to browse.
Cabin imageSuiteSuite
Mini Suite with Ocean View Balcony
Code MS
Exclusive restaurant for breakfast, lunch and dinner (excludes Mini Suites) Priority terminal boarding and landing with reserved VIP area (excludes Mini Suites) Personal butler (excludes Mini Suites) Choice of first or.
- Exclusive restaurant for breakfast, lunch and dinner (excludes Mini Suites) Priority terminal boarding and landing with reserved VIP area (excludes Mini Suites) Personal butler (excludes Mini Suites) Choice of first or second sitting at dinner Free breakfast served in your cabin 24-hour cabin service Personalised invitations to special events (excludes Mini Suites) Assorted fruit basket every day (excludes Mini Suites) Bottle of Ferrari sparkling wine and canapés (excludes Mini Suites) Illy espresso machine available (excludes Mini Suites) Choice of mini-bar selection in cabin, with selected beverages (excludes Mini Suites) Choice of pillows to help you get the best possible rest Hydro massage bath, bathrobe and slippers (excludes Mini Suites) Special access to the ship's spa for one whole day Wi-Fi (for a fee)
Images and layouts vary by ship and cabin grade.
Cabin imageSuiteSuite
Grand Suite with Ocean View Balcony
Code GS
Exclusive restaurant for breakfast, lunch and dinner (excludes Mini Suites) Priority terminal boarding and landing with reserved VIP area (excludes Mini Suites) Personal butler (excludes Mini Suites) Choice of first or.
- Exclusive restaurant for breakfast, lunch and dinner (excludes Mini Suites) Priority terminal boarding and landing with reserved VIP area (excludes Mini Suites) Personal butler (excludes Mini Suites) Choice of first or second sitting at dinner Free breakfast served in your cabin 24-hour cabin service Personalised invitations to special events (excludes Mini Suites) Assorted fruit basket every day (excludes Mini Suites) Bottle of Ferrari sparkling wine and canapés (excludes Mini Suites) Illy espresso machine available (excludes Mini Suites) Choice of mini-bar selection in cabin, with selected beverages (excludes Mini Suites) Choice of pillows to help you get the best possible rest Hydro massage bath, bathrobe and slippers (excludes Mini Suites) Special access to the ship's spa for one whole day Wi-Fi (for a fee)
Images and layouts vary by ship and cabin grade.
Cabin imageSuiteSuite
Suite with Ocean View Balcony
Code S
Exclusive restaurant for breakfast, lunch and dinner (excludes Mini Suites) Priority terminal boarding and landing with reserved VIP area (excludes Mini Suites) Personal butler (excludes Mini Suites) Choice of first or.
- Exclusive restaurant for breakfast, lunch and dinner (excludes Mini Suites) Priority terminal boarding and landing with reserved VIP area (excludes Mini Suites) Personal butler (excludes Mini Suites) Choice of first or second sitting at dinner Free breakfast served in your cabin 24-hour cabin service Personalised invitations to special events (excludes Mini Suites) Assorted fruit basket every day (excludes Mini Suites) Bottle of Ferrari sparkling wine and canapés (excludes Mini Suites) Illy espresso machine available (excludes Mini Suites) Choice of mini-bar selection in cabin, with selected beverages (excludes Mini Suites) Choice of pillows to help you get the best possible rest Hydro massage bath, bathrobe and slippers (excludes Mini Suites) Special access to the ship's spa for one whole day Wi-Fi (for a fee)
Images and layouts vary by ship and cabin grade.
For single travelers
Solo
Showing representative cabin styles so the page stays easy to scan. 6 more cabin categories are available on this ship.
Use horizontal scrolling, touch swipes, or the arrow keys to browse.
Cabin imageInsideAccessibleFamilySolo
Interior Group ( I3 + I4 )
Code IN2Sleeps up to 19
For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a.
- Cabin Details: From 1 to 4 people Up to 19 m² Dorelan mattresses and pillows Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a new adventure
Images and layouts vary by ship and cabin grade.
Cabin imageInsideAccessibleFamilySolo
Interior
Code I4Sleeps up to 19
For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a.
- Cabin Details: From 1 to 4 people Up to 19 m² Dorelan mattresses and pillows Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a new adventure
Images and layouts vary by ship and cabin grade.
Cabin imageBalconyFamilySoloBalcony
Balcony Group
Code BA1Sleeps up to 20
A large balcony just for you. Night or day, experience the beauty of the sea and take remarkable selfies with the one you love.
- Cabin Details: From 1 to 4 people Up to 20 m² Private terrace Dorelan mattresses and pillows Shower Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- A large balcony just for you
Images and layouts vary by ship and cabin grade.
Cabin imageInsideAccessibleFamilySolo
Interior Group ( I1 + I2 )
Code IN1Sleeps up to 19
For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a.
- Cabin Details: From 1 to 4 people Up to 19 m² Dorelan mattresses and pillows Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a new adventure
Images and layouts vary by ship and cabin grade.
Extra flexibility
Family
Showing representative cabin styles so the page stays easy to scan. 11 more cabin categories are available on this ship.
Use horizontal scrolling, touch swipes, or the arrow keys to browse.
Cabin imageInsideAccessibleFamilySolo
Interior Group ( I3 + I4 )
Code IN2Sleeps up to 19
For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a.
- Cabin Details: From 1 to 4 people Up to 19 m² Dorelan mattresses and pillows Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a new adventure
Images and layouts vary by ship and cabin grade.
Cabin imageInsideAccessibleFamilySolo
Interior
Code I4Sleeps up to 19
For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a.
- Cabin Details: From 1 to 4 people Up to 19 m² Dorelan mattresses and pillows Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a new adventure
Images and layouts vary by ship and cabin grade.
Cabin imageBalconyFamilySoloBalcony
Balcony Group
Code BA1Sleeps up to 20
A large balcony just for you. Night or day, experience the beauty of the sea and take remarkable selfies with the one you love.
- Cabin Details: From 1 to 4 people Up to 20 m² Private terrace Dorelan mattresses and pillows Shower Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- A large balcony just for you
Images and layouts vary by ship and cabin grade.
Cabin imageInsideAccessibleFamilySolo
Interior Group ( I1 + I2 )
Code IN1Sleeps up to 19
For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a.
- Cabin Details: From 1 to 4 people Up to 19 m² Dorelan mattresses and pillows Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a new adventure
Images and layouts vary by ship and cabin grade.
Adapted cabin styles
Accessible
Showing representative cabin styles so the page stays easy to scan. 3 more cabin categories are available on this ship.
Use horizontal scrolling, touch swipes, or the arrow keys to browse.
Cabin imageInsideAccessibleFamilySolo
Interior Group ( I3 + I4 )
Code IN2Sleeps up to 19
For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a.
- Cabin Details: From 1 to 4 people Up to 19 m² Dorelan mattresses and pillows Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a new adventure
Images and layouts vary by ship and cabin grade.
Cabin imageInsideAccessibleFamilySolo
Interior
Code I4Sleeps up to 19
For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a.
- Cabin Details: From 1 to 4 people Up to 19 m² Dorelan mattresses and pillows Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a new adventure
Images and layouts vary by ship and cabin grade.
Cabin imageInsideAccessibleFamilySolo
Interior Group ( I1 + I2 )
Code IN1Sleeps up to 19
For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a.
- Cabin Details: From 1 to 4 people Up to 19 m² Dorelan mattresses and pillows Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a new adventure
Images and layouts vary by ship and cabin grade.
Cabin imageInsideAccessibleFamilySolo
Interior
Code I2Sleeps up to 19
For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a.
- Cabin Details: From 1 to 4 people Up to 19 m² Dorelan mattresses and pillows Adjustable air conditioning Hairdryer Safe (26 cm x 35 cm x 25 cm) Phone with new “Call me” service Pool towel Flat screen TV Double bed or 2 single beds side by side
- For those who love to stay by the pool all day, enjoy aperitifs and all the available shows, a cabin where everything is easily accessible, where you can enjoy a comfortable night's sleep and start off each day with a new adventure
Images and layouts vary by ship and cabin grade.
Ready to compare sailings?
Use current sailings for Costa Diadema to compare dates, guide prices and cabin types.
Onboard experience
What is onboard Costa Diadema
Named venues and facilities are grouped so you can compare the ship experience before choosing a sailing.
Bars & loungesDedicated bars, lounges, pubs and social spaces.1 venue
Bars & lounges
Wine Bar
Bars and lounges
EntertainmentTheatres, shows, music venues, casinos and evening spaces.1 venue
Entertainment
Bravo Chef Show
Entertainment
Other amenitiesAdditional named amenities that do not fit the main categories.2 venues
Other amenities
Laser Star
ship
Other amenities
Teppanyaki
ship
Media gallery
See Costa Diadema before you sail
Browse ship images and video clips where approved media is available.
Exterior
6 itemsCabins
6 itemsDining
1 itemEntertainment
1 itemWhere it sails
Where Costa Diadema sails
Use the chips to open matching cruise results for this ship.
Current cruises on this ship
Sailings on Costa Diadema
Move straight from ship research into current cruise options, shown with the same cards and price rules as the main cruise search.
More ships from this cruise line
More ships from Costa Cruises
Browse the fleet, compare ship size and style, then open the full ship guide.
9 shipsCurrent ship highlighted
Costa Cruises
Costa Smeralda
- Launched
- 2019
- Current sailings
- 384 sailings
Family favoriteLuxury suitesRich diningView ship
Costa Cruises
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- Launched
- 2021
- Current sailings
- 353 sailings
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Costa Cruises
Costa Fascinosa
- Launched
- 2011
- Current sailings
- 238 sailings
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Costa Cruises
Costa Pacifica
- Launched
- 2008
- Current sailings
- 237 sailings
Family favoriteLuxury suitesView ship- Current ship
Costa Cruises
Costa Diadema
- Launched
- 2013
- Current sailings
- 213 sailings
Family favoriteLuxury suitesRich diningView ship 
Costa Cruises
Costa Serena
- Launched
- 2006
- Current sailings
- 184 sailings
Family favoriteLuxury suitesRich diningView ship
Costa Cruises
Costa Favolosa
- Launched
- 2010
- Current sailings
- 150 sailings
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Costa Cruises
Costa Deliziosa
- Launched
- 2009
- Current sailings
- 119 sailings
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Costa Cruises
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- Launched
- 2003
- Current sailings
- 28 sailings
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Fleet comparison
Compare ships at a glance
A quick side-by-side view of confirmed ship facts and current sailings before opening the full ship guide.
| Ship | Launch year | Sailings |
|---|---|---|
| Costa Smeralda | 2019 | 384 sailings |
| Costa Toscana | 2021 | 353 sailings |
| Costa Fascinosa | 2011 | 238 sailings |
| Costa Pacifica | 2008 | 237 sailings |
| Costa DiademaCurrent ship | 2013 | 213 sailings |
| Costa Serena | 2006 | 184 sailings |
| Costa Favolosa | 2010 | 150 sailings |
| Costa Deliziosa | 2009 | 119 sailings |
| Costa Fortuna | 2003 | 28 sailings |
FAQ
Questions about Costa Diadema
Clear answers to the practical checks customers usually make before choosing a ship.
Can I compare cabins on Costa Diadema?
This guide currently shows 28 cabin categories for Costa Diadema. Final cabin options are checked around your chosen sailing.
Are deck plans available?
Deck plan images or documents are shown in the Deck Plan Explorer where available. Our cruise specialists can check the latest deck view before booking.
Are there current cruises on Costa Diadema?
213 current sailings are shown for this ship. Use the current cruises section to compare them.
Are inclusions the same on every sailing?
Costa Diadema is part of Costa Cruises. Package-specific inclusions, cabin choices and final prices can vary by sailing and fare, so they are checked before booking.
