Costa Diadema
Costa Cruises • Diadema Class
At a Glance
Costa Diadema is a Diadema Class ship from Costa Cruises. With 132,500 gross tons and capacity for 3,724 guests, she entered service in 2014.
Costa Diadema Specifications
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We're working on adding detailed content for Costa Diadema. Check back soon for dining venues, deck plans, personal reviews, and more!
Dining on Costa Diadema
Dining venue information coming soon. Costa Cruises ships typically feature a variety of complimentary and specialty dining options.
Entertainment & Activities
Entertainment details coming soon. Explore shows, activities, and onboard experiences.
Deck Plans
View the official deck plans to explore Costa Diadema's layout.
Where Is Costa Diadema?
Track Costa Diadema's current position and upcoming itinerary.
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Sources & Attribution
Ship specifications from official cruise line materials. Photos credited where shown. Data verified against industry sources.