Fares per person start at €80 on Costa Toscana and €131 on Costa Diadema. Costa Toscana is the bigger ship, carrying 5,322 guests to 3,724. Costa Diadema has the fewest guests per crew member, at 3.0 to 1. Costa Toscana is newer, built in 2021 against 2014, though Costa Diadema was refurbished in 2023. Costa Diadema runs 1–27 night cruises from Santos and Kiel, plus 20 other ports, while Costa Toscana runs 1–8 night cruises from Barcelona and Marseille, plus 5 other ports.
