Costa Diadema Reviews

Customer Rating

Costa Diadema

3.8

782 Reviews

Ship

Reviews

Deck plan

Position

Our Expert Rating

Costa Diadema is a stylish and luxurious addition to the fleet of Costa Cruises characterized with an Italian way of life. Guests who like a casual atmosphere in combination with a stunning entertainment programme and Italian cuisine should book a cruise with this ship!

Food & beverage

3.5

Child-friendliness

3.5

Sports & fitness

3.5

Wellness

3.5

Luxury & comfort

3.5

Expert Rating

Costa Diadema

3.5

Customer Ratings by Category

Good & beverage

4.0

Child-friendliness

4.0

Sports & fitness

3.9

Wellness

3.8

Service aboard

4.3

Embarkation

4.1

Stateroom

4.1

Shore excursions

3.2

Extra expenses

3.1

Guest service on board

4.0

Entertainment

3.9

Overall rating

3.8

782 single Reviews

Olaf B.

Inside | Cabin 7164

October 2025

3.0

Review Costa Diadema

Stateroom

3.0

Embarkation

5.0

Guest service on board

5.0

Good & beverage

5.0

Entertainment

3.0

Child-friendliness

1.0

Shore excursions

4.0

Extra expenses

4.0

Service aboard

4.0

Wellness

2.0

Liudmila M.

Outside | Cabin 7209

October 2025

4.0

Review Costa Diadema

Stateroom

4.0

Embarkation

4.0

Guest service on board

4.0

Good & beverage

4.0

Entertainment

4.0

Sports & fitness

5.0

Child-friendliness

4.0

Extra expenses

4.0

Service aboard

5.0

Anonymous

Balcony | Cabin 9249

September/October 2025

4.0

Review Costa Diadema

Stateroom

4.0

Embarkation

5.0

Guest service on board

4.0

Good & beverage

4.0

Entertainment

4.0

Sports & fitness

3.0

Child-friendliness

5.0

Shore excursions

1.0

Extra expenses

4.0

Service aboard

5.0

Wellness

3.0

Anonymous

Balcony | Cabin 9257

September/October 2025

5.0

Review Costa Diadema

Stateroom

5.0

Embarkation

5.0

Guest service on board

5.0

Good & beverage

5.0

Entertainment

5.0

Sports & fitness

5.0

Child-friendliness

5.0

Extra expenses

3.0

Service aboard

5.0

Maria P.

Inside | Cabin 6107

September 2025

5.0

Review Costa Diadema

Stateroom

5.0

Embarkation

4.0

Guest service on board

5.0

Good & beverage

4.0

Entertainment

4.0

Sports & fitness

5.0

Child-friendliness

5.0

Shore excursions

4.0

Extra expenses

4.0

Service aboard

5.0

Wellness

5.0

Joachim M.

Balcony | Cabin 7027

September 2025

4.0

Review Costa Diadema

Stateroom

4.0

Embarkation

4.0

Guest service on board

4.0

Good & beverage

3.0

Entertainment

4.0

Sports & fitness

3.0

Child-friendliness

4.0

Shore excursions

4.0

Extra expenses

4.0

Service aboard

5.0

Wellness

4.0

Saskia P.

Outside | Cabin 1412

September 2025

5.0

Review Costa Diadema

Stateroom

5.0

Embarkation

5.0

Guest service on board

5.0

Good & beverage

5.0

Entertainment

5.0

Sports & fitness

5.0

Child-friendliness

5.0

Shore excursions

5.0

Extra expenses

5.0

Service aboard

5.0

Wellness

5.0

Irmgard Erika Margot S.

Balcony | Cabin 9223

September 2025

5.0

Review Costa Diadema

Stateroom

5.0

Embarkation

5.0

Guest service on board

5.0

Good & beverage

5.0

Entertainment

4.0

Sports & fitness

5.0

Shore excursions

4.0

Extra expenses

3.0

Service aboard

5.0

Anonymous

Balcony | Cabin 9105

September 2025

3.0

Review Costa Diadema

Stateroom

5.0

Embarkation

4.0

Guest service on board

4.0

Good & beverage

4.0

Entertainment

1.0

Shore excursions

3.0

Extra expenses

3.0

Service aboard

5.0

Anonymous

Balcony | Cabin 2082

August/September 2025

4.0

Review Costa Diadema

Stateroom

4.0

Embarkation

5.0

Guest service on board

4.0

Good & beverage

3.0

Entertainment

5.0

Child-friendliness

5.0

Shore excursions

4.0

Extra expenses

3.0

Service aboard

4.0

Wellness

5.0

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