Inside Cabin
max. 410 m²
Air conditioning, Private bath, TV
Costa Diadema
Costa Diadema
A new jewel shines on the sea taking you to the most popular cruise destinations, Costa Diadema.
Our Best Costa Diadema Deals
2024/2025
Western Mediterranean from Barcelona, Spain with the Costa Diadema
29th Sep 25, 10 nights - Southern Europe, Europe, Western Mediterranean, Mediterranean, Spain , Andalusia, Western Europe, Portugal, Costa de la Luz, Italy, France, Catalonia, Costa de Lisboa, Costa del Sol
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £759 pp
All Inclusive Santos to Southampton
16th Apr 25, 26 nights - Transatlantic & Repositioning, South America, Brazil, Europe, Southern Europe, Spain , Portugal, Western Europe, Costa de Lisboa, Canary Islands, Madeira, England, France, Andalusia, United Kingdom, Northern Europe, Costa de la Luz, Galicia, British Isles
Costa Diadema
- Imcludes 3 Night Hotels Stay in Sao Paulo, Brazil
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
From £1,899 pp
Including flight
South America from Santos, Brazil with the Costa Diadema
21st Dec 24, 7 nights - South America, Brazil, Argentina, Uruguay
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £729 pp
Rio de Janeiro to Rotterdam
18th Apr 25, 28 nights - Transatlantic & Repositioning, Europe, Brazil, South America, Spain , Southern Europe, Western Europe, Portugal, England, South Holland, France, Andalusia, United Kingdom, Northern Europe, Costa de la Luz, Benelux, Netherlands, British Isles, Galicia, Costa de Lisboa, Canary Islands, Madeira
Costa Diadema
- All Inclusive Cruise!
- Includes 3 Night Hotel Stay In Rio De Janeiro
- High-end treatments at the 3-story Samsara Spa
From £3,199 pp
Including flight
Norway from Copenhagen, Denmark with the Costa Diadema
31st May 25, 7 nights - Europe, Northern Europe, Scandinavia, Norway, Norwegian Fjords, Baltic Sea, Denmark, Western Europe, Germany
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £859 pp
Western Mediterranean from Kiel, Germany with the Costa Diadema
12th Sep 25, 12 nights - Europe, Southern Europe, Mediterranean, Western Mediterranean, Spain , Western Europe, Scandinavia, Baltic Sea, France, Northern Europe, Catalonia, Denmark, Valencian Community, Germany, Portugal, Norway, Costa Blanca, Galicia, Italy, Costa de Lisboa
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £779 pp
Western Mediterranean from Savona, Italy with the Costa Diadema
28th Oct 25, 11 nights - Mediterranean, Western Mediterranean, Europe, Southern Europe, Spain , Morocco, North Africa, Africa, Italy, Costa Blanca, Murcia, Western Europe, Catalonia, Valencian Community, Costa Cálida, Costa del Sol, France, Andalusia
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £739 pp
Transatlantic & Repositioning from Marseille, France with the Costa Diadema
7th Nov 25, 21 nights - Transatlantic & Repositioning, Europe, Southern Europe, Mediterranean, Western Mediterranean, Spain , South America, Brazil, Andalusia, France, Western Europe, Italy, Catalonia, Costa del Sol, Costa de la Luz, Africa, Morocco, North Africa, Canary Islands, Cabo Verde, Portugal
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £1,319 pp
Norway from Kiel, Germany with the Costa Diadema
16th May 25, 7 nights - Europe, Northern Europe, Scandinavia, Norway, Norwegian Fjords, Baltic Sea, Denmark, Western Europe, Germany
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £659 pp
South America from Buenos Aires, Argentina with the Costa Diadema
15th Jan 25, 7 nights - South America, Brazil, Argentina, Uruguay
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £749 pp
Western Mediterranean from Kiel, Germany with the Costa Diadema
12th Sep 25, 11 nights - Europe, Southern Europe, Western Europe, Spain , Western Mediterranean, Mediterranean, Baltic Sea, France, Scandinavia, Northern Europe, Costa Blanca, Germany, Catalonia, Galicia, Costa de Lisboa, Denmark, Valencian Community, Portugal, Norway
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £709 pp
England from Southampton, England with the Costa Diadema
12th May 25, 4 nights - Europe, Western Europe, Germany, Baltic Sea, England, South Holland, United Kingdom, Northern Europe, Netherlands, Benelux, British Isles
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £179 pp
Western Mediterranean from Barcelona, Spain with the Costa Diadema
9th Oct 25, 10 nights - Southern Europe, Europe, Mediterranean, Western Mediterranean, Spain , Morocco, North Africa, Andalusia, Africa, France, Italy, Western Europe, Catalonia, Costa de la Luz, Costa del Sol
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £779 pp
Transatlantic & Repositioning from Savona, Italy with the Costa Diadema
8th Nov 25, 20 nights - Transatlantic & Repositioning, Europe, Southern Europe, Western Mediterranean, Mediterranean, Spain , South America, Brazil, Andalusia, Italy, Catalonia, Costa del Sol, Costa de la Luz, Africa, Morocco, North Africa, Canary Islands, Cabo Verde, Portugal
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £1,259 pp
Transatlantic & Repositioning from Salvador da Bahia, Brazil with the Costa Diadema
23rd Apr 25, 23 nights - Transatlantic & Repositioning, Europe, Portugal, Spain , Western Europe, Southern Europe, Brazil, South America, Costa de Lisboa, Canary Islands, Madeira, England, South Holland, France, Andalusia, United Kingdom, Northern Europe, Costa de la Luz, Benelux, Netherlands, British Isles, Germany, Azores, Galicia, Baltic Sea
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £1,029 pp
Cruises on board Costa Diadema
Discover the best of Italy on board the new “Queen of the Mediterranean”: from the food and cuisine on board to the fantastoc entertainment. The Costa Diadema offers new ways to enjoy cruising. The Terrace on deck 5 – over 500 metres long – is lined with bars and restaurants that will make you feel like it’s a summer’s day on the Italian Riviera.
On board the entertainment is amazing, the Costa Diadema has aThree-level theatre, Country Rock Club, 4D Cinema, an amazing “Star Laser”, an interactive laser zone with a “Laser Maze” and a “Laser Shooting” simulator and the usual Casino to test your luck.
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Costa Diadema - We will be glad to make you a great offer!
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FACTS & FIGURES - Costa Diadema
- Ship length306 m
- Passengers4947
- Decks14
- Launched2014
Decks and Cabins - Costa Diadema
Outside Cabin
max. 414 m²
Air conditioning, TV
Balcony Cabin
max. 416 m²
Air conditioning, TV
Suite
max. 437.2 m²
Slippers, Safe, Telephone, Minibar, Hair dryer, Bathrobe, TV, Air conditioning
Please select a deck:
Deck 15 La fenice
Travel Tips for Costa Diadema
1,862 total cabins, including 141 in the wellness area; 756 with private balconies; 64 suites, all of them with private balconies; 11 suites in the wellbeing area. 7 restaurants, including the Pizzeria, Tavola Teppanyaki Restaurant, Club Restaurant and Samsara Restaurant. 11 bars, including the Angelo Poretti Pub, Gran Duca di Toscana Wine Bar and the Amarillo Ice Cream Parlour. Samsara Spa with boasts across four levels, with gym, spa, Thalassotherapy pool, treatment rooms, sauna, Turkish bath, UVA-ray solarium, cabins and suites. Plenty more on board from: 8 jacuzzis, 3 swimming pools, including one with a retractable roof, Multipurpose sports pitch and a 220m Outdoor jogging track.
Costa Diadema is an art gallery on board, 190 original works of art and 7,874 reproductions by artists on the theme of royalty. The inspirations are contemporary pop culture and traditional Italian Renaissance art.
Plus much more to enjoy and indulge in.
- Disco
- Pool Deck (with retractable roof & giant screen)
- Internet Points
- Library
- Squok Club
- Virtual World
- Kids Pool with Pirate Ship & Castle
- Shopping Centre