Costa Diadema is a Dream-class cruise ship operated by Costa Crociere. The ship was ordered in October 2012 and was delivered to Costa on October 25, 2014.Costa Diadema is the largest vessel flying an Italian flag and currently Costa Crociere's flagship. It was launched on 15 November 2013 by her madrina (godmother) Franca Grasso, a member of CostaClub chosen from among more than 12,000 guests who sailed on Costa ships in the Mediterranean during October and November 2013.

Facilities

Costa Diadema has a total of 1,862 cabins. The vessel has a 500 m (1,600 ft) promenade, which is the longest on any of Costa’s ships. Costa Diadema also has three swimming pools and three dining areas, a theatre and a cinema.

Decks

Costa Diadema has 19 decks, 14 of them are for public use.

Areas of operation

She is expected in Brazil for the 2019/2020 local season.