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12 Night Mediterranean

  • Summary
  • Ship
  • Itinerary
  • Price History
  • Dates & Future Prices
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Costa Diadema
Costa Diadema Interior © Costa Cruise Lines
Costa Diadema Oceanview © Costa Cruise Lines
Costa Diadema Balcony © Costa Cruise Lines
Costa Diadema Suite © Costa Cruise Lines
Costa Diadema Adularia Restaurant © Costa Cruise Lines
Costa Diadema Samsara Thalasso © Costa Cruise Lines
Costa Diadema Stella del Sud Bar © Costa Cruise Lines
Costa Diadema Teodora bar © Costa Cruise Lines
Costa Diadema Fiorentino Restaurant © Costa Cruise Lines
Costa Diadema Gelateria Amarillo © Costa Cruise Lines
Costa Diadema Deck © Costa Cruise Lines
Costa Diadema Samsara tepidarium © Costa Cruise Lines
Costa Diadema Lido Diana Pool © Costa Cruise Lines
Costa Diadema Shopping Area © Costa Cruise Lines
Costa Diadema Kids Activity © Costa Cruise Lines
Costa Diadema Interior
Costa Diadema Interior © Costa Cruise Lines
Costa Diadema
Costa Diadema
Ship facts
? The Quality Score is our combined rating balancing professional reviews and customer feedback on a ship level. The score can range from 0 (everybody hates it) to 100 (everybody loves it).
0.3
Customer : Crew Ratio
3724
Passengers
1250
Crew
2014
Construction Year
35.6
Customer : Space Ratio
14
Passenger Decks
2858
Cabins
Large
Ship Size
Ship is decent
? The Quality Score is our combined rating balancing professional reviews and customer feedback on a ship level. The score can range from 0 (everybody hates it) to 100 (everybody loves it).

Packed with dazzling maximalist design, Costa Diadema has earned her moniker "the Queen of the Mediterranean," glittering from helm to stern with tantalizing features, from its wraparound outdoor terrazzo to its innovative new culinary offerings - teppanyaki anyone? - to its port-heavy itineraries.
More... Current Position

Overall rating
? The Overall Rating is our combined rating for each cruise ship based on balancing their professional reviews and customer feedback.
Ship is decent
38/100
Professional Reviews
? See how the various aspects of this cruise ship compares to all other ships in our database.
Ship Facilities are fantastic
Accomodation is good
Beverage is good
Entertainment is good
Service is good
Cruise is good
Customer Reviews
? Customer reviews give you a good overview of how much customers like this cruise ship.
1.55/5
people think it's OK
bad
40
acceptable
34
ok
43
good
49
excellent
54
overall
31%
of passengers would recommend this ship
Ship facts
? The Quality Score is our combined rating balancing professional reviews and customer feedback on a ship level. The score can range from 0 (everybody hates it) to 100 (everybody loves it).
0.3
Customer : Crew Ratio
3724
Passengers
1250
Crew
2014
Construction Year
35.6
Customer : Space Ratio
14
Passenger Decks
2858
Cabins
Large
Ship Size



From

Barcelona

to

Barcelona

Day Port Arrival Departure
0 		Barcelona - -
1 		At Sea - -
2 		CADICE 07:30 17:00
3-4 		Lisbon - -
5 		Gibraltar (U.K.) 13:00 19:00
6 		Malaga 08:00 18:00
7 		Cartagena, Spain 08:00 18:00
8 		At Sea - -
9 		Marseille 09:00 18:00
10 		Savona, Italy 09:00 19:00
11 		At Sea - -
12 		Barcelona 07:30 00:00



Prices for other Dates and Cabins

Oct 19, 2026

Choose other date/cabin type to see alternatives
min. $1389
cheaper
costlier
max. $8900
Value for money:
? The colors below indicate what you get for your money.
A steal
Fair
Expensive
N/A




$1389
$116 p.P./ night
Really good deal
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$1609
$134 p.P./ night
Rather good deal
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$2209
$184 p.P./ night
OK deal
Set price alert
$2999
$250 p.P./ night
Slightly expensive
Set price alert
dasda Interior Oceanview Balcony Suite
Current Price $1389 $1609 $2209 $2999
Price per Day $116 $134 $184 $250
Previous Price $1390 $1610 $2210 $2922
Change in $ $-1 $-1 $-1 $77
Change in % -0.07% -0.06% -0.05% 2.57%
Updated Nov 21, 2024 Nov 21, 2024 Nov 21, 2024 Mar 31, 2025
Initial Price $1389 $1609 $2209 $2499
Lowest Price Ever $1389 $1609 $2209 $2499
Our Opinion Really good deal Rather good deal OK deal Slightly expensive
Historic prices Interior cabin price history Oceanview cabin price history Balcony cabin price history Suite cabin price history
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Interior cabin, departing on Oct 19, 2026.

We don’t have enough data to show any prediction or the accuracy is not high enough. We are sorry, please try again another day.

Oct 19, 2026 Departure

We don’t have enough data to show any prediction or the accuracy is not high enough. We are sorry, please try again another day.

Oct 19, 2026 Departure

We don’t have enough data to show any prediction or the accuracy is not high enough. We are sorry, please try again another day.

Oct 19, 2026 Departure

We don’t have enough data to show any prediction or the accuracy is not high enough. We are sorry, please try again another day.

Oct 19, 2026 Departure

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Costa Diadema Interior
Costa Diadema Interior © Costa Cruise Lines
Why we like this 12 Night Mediterranean
  • The Mediterranean offers an amazing combination of beaches, history and lively culture.