Costa Cruises
Costa Diadema
- Cruises
- 103
- From
- $109
Ship comparison
Costa Diadema vs MSC Grandiosa
MSC Cruises
MSC Grandiosa
- Cruises
- 43
- From
- $308
The verdict
Which should you choose?
Costa Diadema is a mega Costa Cruises ship carrying 4,947 passengers, in service since 2012. MSC Grandiosa is a mega MSC Cruises ship carrying 4,842 passengers, in service since 2019.
Choose Costa Diadema if you want a more family-friendly ship, a lower starting fare or better-rated dining: it outscores MSC Grandiosa for family friendly (8.0 vs 4.0) and dining (7.0 vs 6.0) in Cruiseable’s Bliss scores and its cruises start from $109 (vs $308).
Choose MSC Grandiosa if you want a more active cruise, more space per passenger or more crew per passenger: it outscores Costa Diadema for active (8.0 vs 6.0) in Cruiseable’s Bliss scores, it has 37.5 gross tons per passenger (vs 26.8) and it has a crew member for every 2.8 passengers (vs 3.9).
Side by side
Specifications
marks the better figure where more, or less, is plainly better.
| Costa Diadema | MSC Grandiosa | |
|---|---|---|
| Cruise line | Costa Cruises | MSC Cruises |
| Ship size | Mega | Mega |
| Maiden voyagenewer highlighted | 2012 | 2019 (better) |
| Gross tonnage | 132,500 | 181,541 |
| Passengers | 4,947 | 4,842 |
| Crew | 1,253 | 1,704 |
| Passengers per crew memberfewer is better | 3.9 | 2.8 (better) |
| Space per passengergross tons per passenger; more is roomier | 26.8 | 37.5 (better) |
| Decks | 20 | 19 |
| Length | 1,004 ft | 1,087 ft |
| Beam | 122 ft | 141 ft |
| Speed | — | 26 mph |
| Cruiseable ratingout of 10 | 8 / 10 (better) | 7 / 10 |
| Cruises on sale | 103 | 43 |
| Upcoming sailings | 188 | 233 |
| Cruise lengths | 1–27 nights | 3–21 nights |
| Fares fromlower highlighted | $109 (better) | $308 |
Bliss scores
How they rate, out of 10
Cruiseable rates ships out of 10 on ten parts of a cruise holiday. Costa Diadema leads on 3 of the ten, MSC Grandiosa on 2, with 5 level.
- Active
- Adventure & nature
- Cultural
- Dining
- Entertainment
- Family friendly
- Party
- Romantic
- Spa & fitness
- Staterooms
Costa Cruises
Costa Diadema
Sailing now
103 cruises on sale, from $109.
MSC Cruises
MSC Grandiosa
MSC Grandiosa launched in November 2019 as the flagship and largest ship in the MSC Cruises fleet. The megaship holds 4,842 passengers at double capacity and 6,334 people at maximum capacity.
Sailing now
43 cruises on sale, from $308.
Questions
Costa Diadema or MSC Grandiosa?
Which is bigger, Costa Diadema or MSC Grandiosa?
MSC Grandiosa is bigger at 181,541 gross tons, against 132,500 gross tons for Costa Diadema. Costa Diadema carries 4,947 passengers and MSC Grandiosa carries 4,842.
Which ship is newer, Costa Diadema or MSC Grandiosa?
MSC Grandiosa is newer, with a maiden voyage in 2019 against 2012 for Costa Diadema.
Which has more space per passenger?
MSC Grandiosa, with 37.5 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?
MSC Grandiosa, with one crew member for every 2.8 passengers against one for every 3.9 on Costa Diadema.
Which is better for families?
Costa Diadema scores higher for family friendliness in Cruiseable’s Bliss scores: 8.0 out of 10, against 4.0 for MSC Grandiosa.
Still deciding?
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