October 1, 2026
9-Night Japan Cruise
Departing from Tokyo
From
$1,657
Price / day
$184
Diamond Princess|Royal Princess
Diamond Princess vs Royal Princess
Compare ship age, size, passenger capacity, itineraries and upcoming cruise prices.
Diamond Princess
Princess Cruises
Check prices on CruiseDirectVS
Newer Ship
Royal Princess
Built in 2013
9 years newer
Lower Price Per Day
Royal Princess
$146 / day
$18 less per day
More Spacious Ship
Diamond Princess
43.4 GT per guest
Gross tonnage divided by passenger capacity
Diamond Princess vs Royal Princess: Quick Comparison
Royal Princess is the newer ship in this comparison. Built in 2013, it is 9 years newer than Diamond Princess, which entered service in 2004. Royal Princess is approximately 22% larger by gross tonnage at 141,000 GT. Royal Princess also carries 890 more passengers. Diamond Princess has upcoming sailings in Japan, while Royal Princess has sailings in Asia. Based on the upcoming cruises currently displayed, Royal Princess has the lower average starting price per day. The sailings shown cover different itineraries, so the price per day figures are not a like-for-like comparison. Cruise fares vary significantly by itinerary, departure date and cabin availability, so any price difference should be treated as a snapshot rather than a permanent gap.
Ship Comparison
| Spec | Diamond Princess | Royal Princess |
|---|---|---|
| Year Built | 2004 | 2013Newer |
| Gross Tonnage | 115,906 GT | 141,000 GT |
| Passenger Capacity | 2,670 | 3,560 |
| Space per Passenger | 43.4 GT | 39.6 GT |
| Length | 290 m | 330.1 m |
| Decks | — | — |
| Cabins | — | — |
Key Differences: Diamond Princess vs Royal Princess
Age
Royal Princess was built in 2013, making it 9 years newer than Diamond Princess, which was built in 2004.
Size
At 141,000 GT, Royal Princess is approximately 22% larger by gross tonnage than Diamond Princess at 115,906 GT.
Passenger capacity
Royal Princess carries up to 3,560 passengers compared with 2,670 aboard Diamond Princess, a difference of 890 passengers.
Passenger space
Diamond Princess offers more space per passenger: 43.4 GT per guest, compared with 39.6 aboard Royal Princess. A higher passenger space ratio generally means less crowding in public areas.
Itineraries
The upcoming sailings shown for Diamond Princess (Japan) and Royal Princess (Asia) currently cover different regions or departure ports.
Price
Among the upcoming sailings currently displayed, Royal Princess has the lower average starting price per day at $146 per day.
Compare Ports of Call
Diamond Princess
Japan Explorer
- Departure Port
- Tokyo
- Region
- Japan
- Nights
- 9
- Round Trip
- Yes
- Day 1 · Oct 1, 2026Tokyo
- Day 2 · Oct 2, 2026Toba
- Day 3 · Oct 3, 2026Osaka
- Day 4 · Oct 4, 2026Kochi
- Day 5 · Oct 5, 2026Hiroshima
- Day 6 · Oct 6, 2026Kanmon Straits
- Day 7 · Oct 7, 2026Busan
- Day 8 · Oct 8, 2026Nagasaki
- Day 9 · Oct 9, 2026At Sea
- Day 10 · Oct 10, 2026Tokyo
Dates are estimates based on the published departure date.
Royal Princess
Asia & Australia
- Departure Port
- Singapore
- Region
- Asia
- Nights
- 15
- Round Trip
- No
- Day 1 · Nov 10, 2026Singapore
- Day 2 · Nov 11, 2026At Sea
- Day 3 · Nov 12, 2026At Sea
- Day 4 · Nov 13, 2026Bali
- Day 5 · Nov 14, 2026At Sea
- Day 6 · Nov 15, 2026At Sea
- Day 7 · Nov 16, 2026Darwin
- Day 8 · Nov 17, 2026At Sea
- Day 9 · Nov 18, 2026At Sea
- Day 10 · Nov 19, 2026At Sea
- Day 11 · Nov 20, 2026Yorkeys Knob
- Day 12 · Nov 21, 2026At Sea
- Day 13 · Nov 22, 2026At Sea
- Day 14 · Nov 23, 2026Brisbane
- Day 15 · Nov 24, 2026At Sea
- Day 16 · Nov 25, 2026Sydney
Dates are estimates based on the published departure date.
Upcoming Cruises & Prices
Diamond Princess
October 10, 2026
9-Night Japan Cruise
Departing from Tokyo
From
$1,296
Price / day
$144
Royal Princess
November 10, 2026
15-Night Asia Cruise
Departing from Singapore
From
$2,433
Price / day
$162
November 10, 2026
13-Night Asia Cruise
Departing from Singapore
From
$1,696
Price / day
$130
Prices shown are starting fares and may change.
Which Ship Is Cheaper?
Diamond Princess
Average
$164 / day
VS
Royal Princess
Average
$146 / day
Royal Princess has the lower price per day among the sailings shown
$146/day vs $164/day
About $18 less per day
This comparison is based on the upcoming sailings currently shown and may not represent like-for-like itineraries.
Cruise prices vary by departure date, itinerary, cabin type and availability.
Which Ship Should You Choose?
Choose Diamond Princess if…
- You prefer the ship with the lower passenger capacity.
- You value having more space per passenger (higher GT-per-guest ratio).
- You want to sail in Japan.
- Departing from Tokyo works for your plans.
- You do not place as much importance on sailing on a newer ship than Royal Princess.
Choose Royal Princess if…
- You prefer the newer ship.
- You prefer the larger ship by gross tonnage.
- You do not mind sailing on a ship with a higher passenger capacity.
- You want to sail in Asia.
- Departing from Singapore works for your plans.
- The lower price per day among the sailings currently shown matters to you.
Diamond Princess vs Royal Princess: Final Comparison Summary
Newer
Royal Princess
Built in 2013
9 years newer
Bigger
Royal Princess
141,000 GT
22% larger by gross tonnage
Lower Price Per Day
Royal Princess
$146 / day
About $18 less per day
- Royal Princess is 9 years newer.
- Royal Princess is 22% larger by gross tonnage.
- Royal Princess carries 890 more passengers.
- Diamond Princess offers more space per passenger (43.4 GT per guest).
Frequently Asked Questions
Which is newer, Diamond Princess or Royal Princess?
Royal Princess is newer. It was built in 2013, while Diamond Princess was built in 2004, making Royal Princess 9 years newer.
Which is bigger, Diamond Princess or Royal Princess?
Royal Princess is larger by gross tonnage. It measures approximately 141,000 GT compared with Diamond Princess at 115,906 GT.
Which ship carries more passengers?
Royal Princess has a passenger capacity of approximately 3,560, compared with 2,670 for Diamond Princess.
Which ship is more spacious, Diamond Princess or Royal Princess?
Diamond Princess has the higher passenger space ratio at 43.4 GT per passenger, versus 39.6 for Royal Princess. The ratio is gross tonnage divided by passenger capacity; a higher number means more ship space per guest.
Which ship is cheaper, Diamond Princess or Royal Princess?
Among the upcoming sailings currently displayed, Royal Princess has the lower average starting price per day at $146 per day versus $164 per day. Fares vary by itinerary, departure date, cabin type and availability.
Where does Diamond Princess sail?
The upcoming Diamond Princess sailings currently listed cover Japan, departing from Tokyo.
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