Fares per person start at €218 on Sapphire Princess and €283 on Star Princess. Star Princess is the cheapest per night, at €63 per person. Star Princess is the bigger ship, carrying 4,300 guests to 2,670. Sapphire Princess has the fewest guests per crew member, at 2.4 to 1. Star Princess is newer, built in 2025 against 2004, though Sapphire Princess was refurbished in 2018.