| Year of build: | 2014 |
| Last Refurbishment: | 2023 |
| Class: | CCL DREAM |
| Builder: | Fincantieri (Marghera, Italy) |
| Building cost: | EUR 550 million (USD 735 million) |
| Engines (power): | Wartsila (42 MW / 56323 hp) |
| Speed: | 22 kt |
| Length (LOA): | 306 m |
| Beam (width): | 36 m |
| Gross Tonnage: | 132500 GT |
| Passaengers (min - max): | 3772 - 4526 (min - max) | |
| Crew: | 1253 | |
| Passengers-to-space ratio: | 29 | |
| Decks: | 14 | |
| Cabins: | 1886 | |
| Decks with cabins: | 9 | |
| Sister-ships: | Carnival Breeze, Carnival Dream, Carnival Magic | |
| Cristened by: | Carolina Miceli | |
| Owner: | Carnival Corporation & PLC | |
| Operator: | Costa Cruises |
You can see from our list in which ports the cruise ship Costa Diadema is expected according to schedule.
| Date | Port | Arrival | Departure |
|---|---|---|---|
| Aug. 11th 2026 Tuesday, 11th of Aug. 2026 | Bergen | 10:30 am | 08:30 pm |
| Aug. 12th 2026 Wednesday, 12th of Aug. 2026 | Stavanger | 09:00 am | 07:00 pm |
| Aug. 14th 2026 Friday, 14th of Aug. 2026 | Kiel | 07:00 am | 12:00 am |
| Aug. 15th 2026 Saturday, 15th of Aug. 2026 | Copenhagen | 12:00 am | 06:00 pm |
| Aug. 17th 2026 Monday, 17th of Aug. 2026 | Light pickles | 08:30 am | 09:30 am |
| Aug. 17th 2026 Monday, 17th of Aug. 2026 | Geirangerfjord | 10:00 am | 11:00 am |
| Aug. 17th 2026 Monday, 17th of Aug. 2026 | Geiranger | 11:30 am | 07:30 pm |
| Aug. 18th 2026 Tuesday, 18th of Aug. 2026 | Bergen | 10:30 am | 08:30 pm |
| Aug. 19th 2026 Wednesday, 19th of Aug. 2026 | Stavanger | 09:00 am | 07:00 pm |
| Aug. 21st 2026 Friday, 21st of Aug. 2026 | Kiel | 07:00 am | 12:00 am |
| Aug. 22nd 2026 Saturday, 22nd of Aug. 2026 | Copenhagen | 10:00 am | 12:00 am |
| Aug. 24th 2026 Monday, 24th of Aug. 2026 | Light pickles | 08:30 am | 09:30 am |
| Aug. 24th 2026 Monday, 24th of Aug. 2026 | Geirangerfjord | 10:00 am | 11:00 am |
| Aug. 24th 2026 Monday, 24th of Aug. 2026 | Geiranger | 11:30 am | 07:30 pm |
| Aug. 25th 2026 Tuesday, 25th of Aug. 2026 | Bergen | 10:30 am | 08:30 pm |
| Aug. 26th 2026 Wednesday, 26th of Aug. 2026 | Stavanger | 09:00 am | 07:00 pm |
| Aug. 28th 2026 Friday, 28th of Aug. 2026 | Kiel | 07:00 am | 12:00 am |
| Aug. 29th 2026 Saturday, 29th of Aug. 2026 | Copenhagen | 10:00 am | 12:00 am |
| Aug. 31st 2026 Monday, 31st of Aug. 2026 | Light pickles | 08:30 am | 09:30 am |
| Aug. 31st 2026 Monday, 31st of Aug. 2026 | Geirangerfjord | 10:00 am | 11:00 am |
| Aug. 31st 2026 Monday, 31st of Aug. 2026 | Geiranger | 11:30 am | 07:30 pm |
| Sep. 1st 2026 Tuesday, 1st of Sep. 2026 | Ålesund | 07:00 am | 05:00 pm |
| Sep. 2nd 2026 Wednesday, 2nd of Sep. 2026 | Stavanger | 10:00 am | 08:00 pm |
| Sep. 4th 2026 Friday, 4th of Sep. 2026 | Kiel | 07:00 am | 12:00 am |
| Sep. 5th 2026 Saturday, 5th of Sep. 2026 | Copenhagen | 10:00 am | 12:00 am |
| Sep. 7th 2026 Monday, 7th of Sep. 2026 | Light pickles | 08:30 am | 09:30 am |
| Sep. 7th 2026 Monday, 7th of Sep. 2026 | Geirangerfjord | 10:00 am | 11:00 am |
| Sep. 7th 2026 Monday, 7th of Sep. 2026 | Geiranger | 11:30 am | 07:30 pm |
| Sep. 8th 2026 Tuesday, 8th of Sep. 2026 | Olden | 09:00 am | 04:00 pm |
| Sep. 9th 2026 Wednesday, 9th of Sep. 2026 | Stavanger | 10:00 am | 08:00 pm |
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