October 1, 2026
9-Night Japan Cruise
Departing from Tokyo
From
$1,657
Price / day
$184
Diamond Princess|Regal Princess
Diamond Princess vs Regal Princess
Compare ship age, size, passenger capacity, itineraries and upcoming cruise prices.
VS
Newer Ship
Regal Princess
Built in 2014
10 years newer
Lower Price Per Day
Regal Princess
$110 / day
$54 less per day
More Spacious Ship
Diamond Princess
43.4 GT per guest
Gross tonnage divided by passenger capacity
Diamond Princess vs Regal Princess: Quick Comparison
Regal Princess is the newer ship in this comparison. Built in 2014, it is 10 years newer than Diamond Princess, which entered service in 2004. Regal Princess is approximately 23% larger by gross tonnage at 142,714 GT. Regal Princess also carries 890 more passengers. Diamond Princess has upcoming sailings in Japan, while Regal Princess has sailings in Caribbean. Based on the upcoming cruises currently displayed, Regal 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 | Regal Princess |
|---|---|---|
| Year Built | 2004 | 2014Newer |
| Gross Tonnage | 115,906 GT | 142,714 GT |
| Passenger Capacity | 2,670 | 3,560 |
| Space per Passenger | 43.4 GT | 40.1 GT |
| Length | 290 m | 330 m |
| Decks | — | — |
| Cabins | — | — |
Key Differences: Diamond Princess vs Regal Princess
Age
Regal Princess was built in 2014, making it 10 years newer than Diamond Princess, which was built in 2004.
Size
At 142,714 GT, Regal Princess is approximately 23% larger by gross tonnage than Diamond Princess at 115,906 GT.
Passenger capacity
Regal 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 40.1 aboard Regal Princess. A higher passenger space ratio generally means less crowding in public areas.
Itineraries
The upcoming sailings shown for Diamond Princess (Japan) and Regal Princess (Caribbean) currently cover different regions or departure ports.
Price
Among the upcoming sailings currently displayed, Regal Princess has the lower average starting price per day at $110 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.
Regal Princess
Eastern Caribbean with Puerto Rico
- Departure Port
- Ft. Lauderdale
- Region
- Caribbean
- Nights
- 7
- Round Trip
- Yes
- Day 1 · Sep 12, 2026Ft. Lauderdale
- Day 2 · Sep 13, 2026At Sea
- Day 3 · Sep 14, 2026Amber Cove
- Day 4 · Sep 15, 2026San Juan
- Day 5 · Sep 16, 2026St. Maarten
- Day 6 · Sep 17, 2026At Sea
- Day 7 · Sep 18, 2026At Sea
- Day 8 · Sep 19, 2026Ft. Lauderdale
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
Regal Princess
September 12, 2026
7-Night Caribbean Cruise
Departing from Ft. Lauderdale
From
$913
Price / day
$130
September 19, 2026
7-Night Caribbean Cruise
Departing from Ft. Lauderdale
From
$623
Price / day
$89
Prices shown are starting fares and may change.
Which Ship Is Cheaper?
Diamond Princess
Average
$164 / day
VS
Regal Princess
Average
$110 / day
Regal Princess has the lower price per day among the sailings shown
$110/day vs $164/day
About $54 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 Regal Princess.
Choose Regal 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 Caribbean.
- Departing from Ft. Lauderdale works for your plans.
- The lower price per day among the sailings currently shown matters to you.
Diamond Princess vs Regal Princess: Final Comparison Summary
Newer
Regal Princess
Built in 2014
10 years newer
Bigger
Regal Princess
142,714 GT
23% larger by gross tonnage
Lower Price Per Day
Regal Princess
$110 / day
About $54 less per day
- Regal Princess is 10 years newer.
- Regal Princess is 23% larger by gross tonnage.
- Regal 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 Regal Princess?
Regal Princess is newer. It was built in 2014, while Diamond Princess was built in 2004, making Regal Princess 10 years newer.
Which is bigger, Diamond Princess or Regal Princess?
Regal Princess is larger by gross tonnage. It measures approximately 142,714 GT compared with Diamond Princess at 115,906 GT.
Which ship carries more passengers?
Regal Princess has a passenger capacity of approximately 3,560, compared with 2,670 for Diamond Princess.
Which ship is more spacious, Diamond Princess or Regal Princess?
Diamond Princess has the higher passenger space ratio at 43.4 GT per passenger, versus 40.1 for Regal 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 Regal Princess?
Among the upcoming sailings currently displayed, Regal Princess has the lower average starting price per day at $110 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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