Carnival Cruise Line
Carnival Celebration
- Cruises
- 19
- From
- $358
Ship comparison
Carnival Celebration vs Costa Diadema
Costa Cruises
Costa Diadema
- Cruises
- 103
- From
- $109
The verdict
Which should you choose?
Carnival Celebration is a mega Carnival Cruise Line ship carrying 5,374 passengers, in service since 2022. Costa Diadema is a mega Costa Cruises ship carrying 4,947 passengers, in service since 2012.
Choose Carnival Celebration if you want more of a party, a newer ship or more space per passenger: it outscores Costa Diadema for party (9.0 vs 7.0) in Cruiseable’s Bliss scores, its maiden voyage was in 2022 (vs 2012) and it has 33.5 gross tons per passenger (vs 26.8).
Choose Costa Diadema if you want a lower starting fare, better-rated dining or better-rated entertainment: it outscores Carnival Celebration for dining (7.0 vs 6.0) and entertainment (8.0 vs 7.0) in Cruiseable’s Bliss scores and its cruises start from $109 (vs $358).
Side by side
Specifications
marks the better figure where more, or less, is plainly better.
| Carnival Celebration | Costa Diadema | |
|---|---|---|
| Cruise line | Carnival Cruise Line | Costa Cruises |
| Ship size | Mega | Mega |
| Maiden voyagenewer highlighted | 2022 (better) | 2012 |
| Gross tonnage | 180,000 | 132,500 |
| Passengers | 5,374 | 4,947 |
| Crew | 1,735 | 1,253 |
| Passengers per crew memberfewer is better | 3.1 (better) | 3.9 |
| Space per passengergross tons per passenger; more is roomier | 33.5 (better) | 26.8 |
| Decks | 19 | 20 |
| Length | 1,130 ft | 1,004 ft |
| Beam | 137 ft | 122 ft |
| Speed | 20 mph | — |
| Cruiseable ratingout of 10 | 8 / 10 | 8 / 10 |
| Cruises on sale | 19 | 103 |
| Upcoming sailings | 77 | 188 |
| Cruise lengths | 7–8 nights | 1–27 nights |
| Fares fromlower highlighted | $358 | $109 (better) |
Bliss scores
How they rate, out of 10
Cruiseable rates ships out of 10 on ten parts of a cruise holiday. Carnival Celebration leads on 2 of the ten, Costa Diadema on 4, with 4 level.
- Active
- Adventure & nature
- Cultural
- Dining
- Entertainment
- Family friendly
- Party
- Romantic
- Spa & fitness
- Staterooms
Carnival Cruise Line
Carnival Celebration
Carnival Celebration, the first megaship from Carnival Cruise Line with 5,374 passengers (double occupancy), debuted in November 2022 with short splash-and-dash sailings to the Caribbean out of Miami.
Sailing now
19 cruises on sale, from $358.
About Carnival Celebration Plan my cruise on Carnival Celebration
Costa Cruises
Costa Diadema
Sailing now
103 cruises on sale, from $109.
Questions
Carnival Celebration or Costa Diadema?
Which is bigger, Carnival Celebration or Costa Diadema?
Carnival Celebration is bigger at 180,000 gross tons, against 132,500 gross tons for Costa Diadema. Carnival Celebration carries 5,374 passengers and Costa Diadema carries 4,947.
Which ship is newer, Carnival Celebration or Costa Diadema?
Carnival Celebration is newer, with a maiden voyage in 2022 against 2012 for Costa Diadema.
Which has more space per passenger?
Carnival Celebration, with 33.5 gross tons per passenger against 26.8 on Costa Diadema. The higher the figure, the more ship there is for each guest.
Which has more crew per passenger?
Carnival Celebration, with one crew member for every 3.1 passengers against one for every 3.9 on Costa Diadema.
Which is better for families?
They score the same for family friendliness in Cruiseable’s Bliss scores: 8.0 out of 10.
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