Princess diamond prices.
The princess cut is the most popular non-round diamond shape. Its sharp, uncut corners and brilliant-style faceting create exceptional sparkle in a modern square silhouette. Our analytics are based on 66,383 princess diamonds currently on the global market — 47,604 lab-grown and 18,779 natural. Princess is the 7th most popular shape, representing 4.2% of all diamonds in our dataset.
Natural
£3,965
per carat
Lab-grown
£1,028
per carat
74.1%
Savings
The average lab-grown princess diamond is priced at £1,028 per carat, while natural princess diamonds average £3,965 per carat — a 74.1% difference. This means your 1ct natural princess could trade for a 3.9ct lab-grown upgrade at equivalent value.
Princess price matrix.
Price per carat in GBP, based on 47,604 princess diamonds.
| FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I1 | |
|---|---|---|---|---|---|---|---|---|---|
| D | £2.4k | £1.8k | £973 | £859 | £768 | £779 | £881 | £856 | — |
| E | £2.2k | £1.3k | £862 | £714 | £712 | £710 | £707 | £834 | — |
| F | £2.6k | £1.2k | £808 | £682 | £744 | £840 | £676 | £734 | — |
| G | — | £1.2k | £775 | £716 | £1.1k | £1.3k | £1.7k | £970 | — |
| H | — | — | £952 | £783 | £1.1k | £1.8k | £2.1k | £2.7k | — |
| I | — | — | £734 | £951 | £1.3k | £1.7k | £2.1k | £2.1k | — |
| J | — | — | — | £646 | £1.7k | £2.0k | £2.2k | £2.0k | — |
| K | — | — | — | £1.7k | £1.9k | £2.8k | £1.8k | £2.9k | — |
Among princess diamonds, J/VVS2 offers the best value at £646/ct, while K/SI2 commands the highest premium at £2,919/ct.
Princess distribution.
Colour and clarity breakdown for princess diamonds.
Frequently asked.
What is the average price of a princess diamond per carat in the UK?
Based on our dataset of 66,383 princess diamonds, the average lab-grown princess costs £1,028 per carat, while natural princess diamonds average £3,965 per carat in GBP.
Are lab-grown princess diamonds cheaper than natural?
Yes. Lab-grown princess diamonds are 74.1% cheaper on average — £1,028/ct compared to £3,965/ct for natural. This means you could upgrade from a 1ct natural to a 3.9ct lab-grown for the same price.
How popular are princess diamonds?
Princess diamonds represent 4.2% of all diamonds in our dataset, making them the 7th most popular shape.
What is the best value colour-clarity combination for princess diamonds?
J colour with VVS2 clarity offers the best value at £646 per carat for princess diamonds.
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