Cancellation By Guest All Programs (Excluding World Cruises and Asia) Days before the departureCruise Only / Cruise plus DrinksPromoLast MinuteUntil 90 days$50 USD50%100%89 - 60 days$250 USD50%59 - 30 days50%50%29 - 15 days75%75%14 - 0 days100%100% World Cruise and Asia (Serena) D…

The service charge, which is calculated on a daily basis according to the length of the cruise, the destination and the ship, is used to provide incentive to staff who perform hotel duties and to continually improve the quality of service offered onboard Costa Cruises ships.

Pregnant women are allowed to sail only if pregnant for 24 completed weeks or less on the date of cruise disembarkation.

MinorAccompany policy

Infants must be at least six (6) months of age at the time of embarkation to sail.

Smoking cigarettes, cigars and pipes is permitted only in certain areas of the ships including cigar lounges, designated outdoor smoking areas and outside on private balconies. Smoking is strictly prohibited inside the cabins.

Costa Diadema

7-Night Cruise from Copenhagen

Diadema Class · Costa Diadema

Roundtrip from Copenhagen

Sails Sat, May 15, 20277 nightsCruiseOnly

Round tripfrom Copenhagen · 5 ports

More Costa Cruises cruises

Price dropped

From

$1,254pp

$1,502Save $248 (17%)

$179 / night avg · taxes & fees included

Prices tracked daily on this sailing
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Down 17%

From $1,502 — verified against our daily price crawl.

No booking fees

What you see is the operator fare — we don't add checkout surcharges.

Tax-inclusive pricing

Lead prices include taxes and port fees where available.

Book when you're ready

Compare cabins and sail dates, then continue to secure checkout.

Price intelligence

Live

We've tracked this sailing for 14 days in our daily crawl. Here's how today's fare compares to its own history.

Today: $1,254Lowest tracked: $1,254

This sailing's fareLowest recorded

vs. recent high

17% below recent high

14-day low

$1,254

14-day high

$1,502

14-day avg

$1,484

Our read: book it

Strong signal

This fare is at its lowest point in our tracking window with a verified drop from the recent high. Waiting often costs more once sail dates get closer.

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Day by day

Your 7-night itinerary

6 ports and 2 sea days on this sailing.

Day 11
CopenhagenEmbark
Departs 6:00 PM
Sailings from Copenhagen
Day 22
At seaSea day
Enjoy a relaxing day at sea — spa, pools, dining and onboard activities.
Day 33
Gdynia (Gdansk)
Arrives 8:00 AM · Departs 5:00 PM
Cruises visiting Gdynia (Gdansk)
Day 44
Visby (Gotland)
Arrives 8:00 AM · Departs 5:00 PM
Cruises visiting Visby (Gotland)
Day 55
Stockolm
Arrives 10:00 AM · Departs 6:00 PM
Cruises visiting Stockolm
Day 66
At seaSea day
Enjoy a relaxing day at sea — spa, pools, dining and onboard activities.
Day 77
Kiel
Arrives 8:00 AM · Departs 7:30 PM
Cruises visiting Kiel
Day 88
CopenhagenDisembark
Arrives 10:00 AM
Sailings from Copenhagen

Cabins & suites

Compare categories — selection updates in the booking panel

Suite
$1,924$275 / night
Best value
Inside
$1,254$179 / night
Balcony
$1,720$246 / night
Ocean View
$1,545$221 / night

Ship experience

Onboard dining, entertainment, and venues

About this ship

Costa Diadema is built for relaxation and fun with lots of on board activities, lively bars, gourmet restaurants and the spa area. During the day and in the evening, you will be spoiled with choices for activities; from walks at sunset, to performances and theater shows where international artists will perform. The Aperol Spritz Bar is waiting for you! A games room to bring out the kid in you, or an excellent beer in a real German pub. You will find an entire deck dedicated to children that even has a Castle and Pirate galleon. And for moments of pure relaxation there is a great Spa at your disposal where you can enjoy a massage and look at the sea, a real treat!

Ports of call

Where you stop and how long you stay

Copenhagen
Days 1, 8
Sailings from Copenhagen
Copenhagen
Gdynia (Gdansk)
Day 3
Cruises visiting Gdynia (Gdansk)
Gdynia (Gdansk)
Visby (Gotland)
Day 4
Cruises visiting Visby (Gotland)
Visby (Gotland)
Stockolm
Day 5
Cruises visiting Stockolm
Stockolm
Kiel
Day 7
Cruises visiting Kiel
Kiel

What's included & extra

Know what's covered before you book add-ons

Included

Main dining rooms — Traditional complimentary dining
Pools & fitness — Ship amenities vary by vessel
Entertainment & Nightlife
Outdoor Activities
Kids & Teens

Extra cost

Dining — A light and stylish Oriental setting serving Japanese cuisine at Teppanyaki restaurant. Costa will take you around the w
Amarillo Ice Cream Shop and Chocolate Bar — A creamy homemade ice cream or some delicious chocolate praline? No one can resist the delicacies of
Pizzeria Pummid'oro — A 100% made in Italy pizza, with high - quality ingredients and the genuineness of dough made with l
Sushino At Costa — Sushino at Costa is first sushi bistro on board and is designed to bring you an authentic Japanese e
Bars & Lounges — An Aperol Spritz is an invitation to smile the whole day in an atmosphere of serenity, an expression of joy on your Cost
Bar Bollicine — Bar Bollicine.
Gran Ducca Di Toscana Wine Bar — Gran Ducca Di Toscana Wine Bar.
Piano Bar — Piano Bar.

Policies & FAQ

Summaries only — read full policies on our policy pages

Ship specifications

Bars / Lounges: 11
Beam: 122 ft (37.2 m)
Dining / Restaurants: 8
Elevator / Lift: 18
Gross Tonnage: 132,500
Kids Friendly: Yes
Maiden Voyage: October 2014
Maximum Speed: 22.5 knots
Number of Crew: 1,253
Number of Decks: 14
Number of Staterooms: 1,862
Number of Suites: 151
Passenger Capacity: 4,947
Registry: Italy
Ship Class: Diadema Class
Ship Length: 1004 ft (306 m)
Swimming Pools: 11
Wheelchair Accessible: Yes

Prices shown are per person, based on double occupancy, and include taxes and port fees where available. Gratuities and optional extras are not included. All fares are subject to availability and may change. Final pricing will be confirmed at time of booking.