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21 Night Europe

  • Summary
  • Ship
  • Itinerary
  • Price History
  • Dates & Future Prices
  • Book Now
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

Marseille

to

Santos (Sao Paulo), Brazil

Day Port Arrival Departure
0 		Marseille - -
1 		Savona, Italy 08:00 16:30
2 		Barcelona 14:00 20:00
3 		At Sea - -
4 		Malaga 09:00 19:00
5 		Gibraltar (U.K.) 08:00 18:00
6 		CADICE 08:00 18:00
7 		Casablanca, Morocco 08:00 18:00
8 		At Sea - -
9 		Santa Cruz De Tenerife, Canary Islands 09:00 19:00
10-11 		At Sea - -
12 		Stvincent-Capo Verde-Mindelo 08:00 18:00
13-16 		At Sea - -
17 		Maceio, Brazil 07:00 13:00
18 		Salvador De Bahia, Brazil 07:00 13:00
19 		At Sea - -
20 		Rio de Janeiro 08:00 17:00
21 		Santos (Sao Paulo), Brazil 08:00 00:00



Prices for other Dates and Cabins

Nov 07, 2025

Choose other date/cabin type to see alternatives
min. $1679
cheaper
costlier
max. $18699
Nov 02, 2025
Interior
-1000
Ocean
-660
Balcony
-270
Suite
+ 860
Nov 07, 2025
Interior
-1010
Ocean
-680
Balcony
-300
Suite
$2689
Mar 22, 2026
Interior
-670
Ocean
-320
Balcony
-120
Suite
+ 1380
Apr 07, 2026
Ocean
+ 7501
Suite
+ 12448
Interior
Sold Out
Balcony
Sold Out
Apr 14, 2026
Ocean
+ 8401
Suite
+ 13348
Interior
Sold Out
Balcony
Sold Out
Value for money:
? The colors below indicate what you get for your money.
A steal
Fair
Expensive
N/A




$1679
$80 p.P./ night
Really good deal
Set price alert
$2009
$96 p.P./ night
Really good deal
Set price alert
$2389
$114 p.P./ night
Really good deal
Set price alert
$2689
$128 p.P./ night
Rather good deal
Set price alert
dasda Interior Oceanview Balcony Suite
Current Price $1679 $2009 $2389 $2689
Price per Day $80 $96 $114 $128
Previous Price $1909 $2299 $2739 $3099
Change in $ $-230 $-290 $-350 $-410
Change in % -13.7% -14.44% -14.65% -15.25%
Updated Dec 09, 2024 Dec 09, 2024 Dec 09, 2024 Dec 09, 2024
Initial Price $1679 $2009 $2389 $2689
Lowest Price Ever $1679 $2009 $2389 $2689
Our Opinion Really good deal Really good deal Really good deal Rather good deal
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 Nov 07, 2025.

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.

Nov 07, 2025 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.

Nov 07, 2025 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.

Nov 07, 2025 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.

Nov 07, 2025 Departure

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Costa Diadema Interior
Costa Diadema Interior © Costa Cruise Lines
Why we like this 21 Night Europe
  • Balcony pricing: Really good deal
  • Suite pricing: Very good deal