Side-by-side cruise ship comparison · Updated February 2026
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across 5 categories
Size
Based on gross tonnage and length
Capacity
Based on passengers and crew
Modernity
Based on year built
Service
Based on passenger-to-crew ratio (lower is better)
Spaciousness
Based on gross tonnage per passenger (higher is better)
Diamond Princess
Grand Princess
Gross Tonnage
Diamond Princess
115,875 GT
Grand Princess
108,806 GT
Length
Diamond Princess
290 m
Grand Princess
290 m
Beam
Diamond Princess
38 m
Grand Princess
36 m
Passengers
Diamond Princess
2,670
Grand Princess
2,600
Crew
Diamond Princess
1,100
Grand Princess
1,150
Decks
Diamond Princess
—
Grand Princess
—
Year Built
Diamond Princess
2,004
Grand Princess
1,998
Space Ratio
Diamond Princess
43.4 GT/pax
Grand Princess
41.9 GT/pax
Passenger:Crew Ratio
Diamond Princess
2.43 :1
Grand Princess
2.26 :1
| Specification | Diamond Princess | Grand Princess |
|---|---|---|
| Overview | ||
| Cruise Line | Princess Cruises | Princess Cruises |
| Class | Grand Class | Grand Class |
| Status | active | active |
| Year Built | 2,004Winner | 1,998 |
| Dimensions | ||
| Gross Tonnage | 115,875 GTWinner | 108,806 GT |
| Length | 290 m | 290 m |
| Beam | 38 mWinner | 36 m |
| Draft | ||
| Capacity | ||
| Passengers | 2,670Winner | 2,600 |
| Crew | 1,100 | 1,150Winner |
| Key Ratios | ||
| Space Ratio | 43.4 GT/paxWinner | 41.9 GT/pax |
| Passenger:Crew Ratio | 2.43:1 | 2.26:1Winner |
| Build | ||
| Builder | MHI Nagasaki | Fincantieri |
| Flag | Bermuda | Bermuda |
| IMO Number | 9228186 | 9158955 |
Diamond Princess is the larger vessel at 115,875 GT — 6% more than Grand Princess's 108,806 GT. Built in 2004, Diamond Princess is 6 years newer — an advantage for travellers seeking modern amenities and design. Grand Princess edges ahead in service with a passenger-to-crew ratio of 2.3:1, meaning more crew per guest.
| Category | Winner |
|---|---|
| Size | Diamond Princess |
| Capacity | Diamond Princess |
| Modernity | Diamond Princess |
| Service | Grand Princess |
| Spaciousness | Diamond Princess |
Bottom line: Diamond Princess wins more categories (4 vs 1), making it the stronger all-round choice based on current data.
Diamond Princess
Well-suited for cruise newcomers
43 GT/pax means plenty of quiet space
Good value for money
Good range of onboard options
Grand Princess
Well-suited for cruise newcomers
42 GT/pax means plenty of quiet space
Good value for money
Good range of onboard options
Free cancellation on most rooms
Bundle & save on your cruise trip
Medical, trip cancellation & luggage cover
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9.5 mWinner |
8.8 m |
| Decks | — | — |
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