- ARRIVES
- —
- DEPARTS
- 7:30 PM
12 nights · 7 ports
round-trip · Barcelona
CostaCosta Diadema
Costa Diadema Oct 19, 2026
12-Night Western Mediterranean
3.6 out of 5, Gangwaze Score™
i
The Gangwaze Score blends how cruisers rate this ship, how they rate this sailing, the ship’s latest CDC health inspection, the safety of its ports, and how today’s fare compares with its recent average.
- Cruiser satisfaction
- Good
- Port safety
- Good
- Value
- Fair
Aboard Costa Diadema · Departing October 19, 2026 from the Port of Barcelona, Spain.
You'll depart Barcelona on Monday, October 19, 2026 for your 12-Night Western Mediterranean round-trip cruise vacation aboard Costa's Costa Diadema.
Your itinerary includes three domestic stops in Cadiz, Malaga and Cartagena as well as visits to Portugal, where you'll explore Lisbon, Gibraltar, where you'll explore Gibraltar, France, where you'll explore Marseille, and Italy, where you'll explore Savona. Your trip has three sea days to enjoy everything the Costa Diadema has to offer.
Your ship ranks #3 among Costa's 11 ships by size and is newer than the fleet average, having launched in 2014.
Current pricing for this sailing starts at $154 per passenger, per night, up 1% vs. our tracked average.
// 01 · About the ship
Costa Diadema
Ship OverviewCosta
Costa · Diadema class
CHRISTENED
2014
TONNAGE
132,500GT
▲ 8.7% ABOVEvs avg 121,877
YEAR BUILT
2014
▲ 4 YRS NEWERvs avg 2010
LENGTH
1,003ft
▲ 2.8% ABOVEvs avg 976 ft
PASSENGERS
3,724cruisers
▼ 0.1% BELOWvs avg 3,728
The Costa Diadema was built in 2014 and measures 132,500 gross tons and 1,003 feet in length. It is part of Costa's Diadema class. At full capacity it carries 3,724 passengers and 1,253 crew members.
// 02 · Port by Port
Your Itinerary
Costa DiademaOctober 19 to October 31, 2026Round-trip Barcelona
- DAY 2 · TUE, OCT 20
At sea
- ARRIVES
- —
- DEPARTS
- —
- ARRIVES
- 7:30 AM
- DEPARTS
- 5:00 PM
- ARRIVES
- 10:00 AM
- DEPARTS
- 2:00 PM
- ARRIVES
- 1:00 PM
- DEPARTS
- 7:00 PM
- ARRIVES
- 8:00 AM
- DEPARTS
- 6:00 PM
- ARRIVES
- 8:00 AM
- DEPARTS
- 6:00 PM
- DAY 9 · TUE, OCT 27
At sea
- ARRIVES
- —
- DEPARTS
- —
- ARRIVES
- 9:00 AM
- DEPARTS
- 6:00 PM
- ARRIVES
- 9:00 AM
- DEPARTS
- 7:00 PM
- DAY 12 · FRI, OCT 30
At sea
- ARRIVES
- —
- DEPARTS
- —
- ARRIVES
- 7:30 AM
- DEPARTS
- —
// 03 · Cruise price
Cruise Price & Tracking
Costa DiademaOctober 19, 2026
The most recent price for this sailing starts at $1,841 ($154 per night) for an Inside cabin. Compared to the average price of $1,830 ($153 per night), this represents a 1% increase.
// Price history · inside
Last 6 months · refreshes daily · select a cabin below to compare
This cabinAvg $1,830
Price Drop Email Alert
We'll email you when the Inside fare for this sailing drops below the current rate.
Suite
Not currently offered.
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// 04 · Cruise resources
Cruise Resources
To prepare for your Costa Diadema October 19, 2026 cruise, here are some helpful tools to get you prepared and excited for your vacation.
// 05 · Other sailings
This itinerary - other options
Same ports, more choices. Compare other Costa Diadema dates for the 12-Night Western Mediterranean route, or see which other ships sail a similar trip.
More Costa Diadema options - 12-Night Western Mediterranean
Below, you'll find any available dates for this same Western Mediterranean itinerary on the Costa Diadema.
No other dates scheduled
This is the only Costa Diadema sailing of this itinerary right now. New dates will appear here as soon as they're announced.
Other ships
Sail to Cadiz & Lisbon on another ship
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