Date Launched：2014
Decks：15
Guest Capacity：4,526
Tonnage：132500
12 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，At Sea，Barcelona
Departure Date
1 departure date| Departure-Arrival | Interior | Oceanview | Balcony | Suites |
|---|---|---|---|---|
  | $1389 | $1609 | $2209 | $2499 |
Itinerary
| Day | Date | Ports | Arrive | Depart |
|---|---|---|---|---|
| 1 | 10/19 | Barcelona | - | 7:30 PM |
| 2 | 10/20 | At Sea | - | - |
| 3 | 10/21 | Cadiz | 7:30 AM | 5:00 PM |
| 4 | 10/22 | Lisbon | 10:00 AM | 11:59 PM |
| 5 | 10/23 | Lisbon | 12:01 AM | 2:00 PM |
| 6 | 10/24 | Gibraltar | 1:00 PM | 7:00 PM |
| 7 | 10/25 | Malaga | 8:00 AM | 6:00 PM |
| 8 | 10/26 | Cartagena | 8:00 AM | 6:00 PM |
| 9 | 10/27 | At Sea | - | - |
| 10 | 10/28 | Marseille | 9:00 AM | 6:00 PM |
| 11 | 10/29 | Savona | 9:00 AM | 7:00 PM |
| 12 | 10/30 | At Sea | - | - |
| 13 | 10/31 | Barcelona | 7:30 AM | - |