Fares per person start at €218 on Sapphire Princess and €327 on Emerald Princess. Emerald Princess is the cheapest per night, at €54 per person. Emerald Princess is the bigger ship, carrying 3,080 guests to 2,670. Sapphire Princess has the fewest guests per crew member, at 2.4 to 1. Emerald Princess is newer, built in 2007 against 2004, though Sapphire Princess was refurbished in 2018.