Date Launched：2014
Decks：15
Guest Capacity：4,526
Tonnage：132500
11 Nights | Costa Diadema | Barcelona-Barcelona
Departure Port : Barcelona
Ends Port : Barcelona
Ports：Barcelona，At Sea，Cadiz，Lisbon，Lisbon，Gibraltar，Malaga，Cartagena，At Sea，Marseille，Savona，Barcelona
Departure Date
1 departure date| Departure-Arrival | Interior | Oceanview | Balcony | Suites |
|---|---|---|---|---|
  | $1379 | $1579 | $2129 | $2399 |
Itinerary
| Day | Date | Ports | Arrive | Depart |
|---|---|---|---|---|
| 1 | 9/28 | Barcelona | - | 7:30 PM |
| 2 | 9/29 | At Sea | - | - |
| 3 | 9/30 | Cadiz | 7:30 AM | 5:00 PM |
| 4 | 10/1 | Lisbon | 10:00 AM | 11:59 PM |
| 5 | 10/2 | Lisbon | 12:01 AM | 2:00 PM |
| 6 | 10/3 | Gibraltar | 1:00 PM | 7:00 PM |
| 7 | 10/4 | Malaga | 8:00 AM | 6:00 PM |
| 8 | 10/5 | Cartagena | 8:00 AM | 6:00 PM |
| 9 | 10/6 | At Sea | - | - |
| 10 | 10/7 | Marseille | 9:00 AM | 6:00 PM |
| 11 | 10/8 | Savona | 9:00 AM | 4:30 PM |
| 12 | 10/9 | Barcelona | 2:00 PM | - |