How much does a 0.20 to 0.49ct G VS1 natural princess diamond cost?

As of October 2026, 0.20 to 0.49ct G VS1 natural princess diamonds typically cost £249 GBP to £837 GBP, with a median price of £408 GBP. There are currently 275 diamonds matching this specification available across retailers.

Where can I find the best price on a G VS1 princess diamond?

About 34% of these diamonds are available at multiple retailers, with an average price spread of 60%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct G VS1 Natural Princess

Quick answer

As of October 2026, there are 275 natural princess diamonds with G colour and VS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run £249 GBP to £837 GBP, with a median of £408 GBP. At least 23 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 60%. Half of all listings fall between £1,004 GBP and £1,798 GBP per carat. The same specification in lab grown form lists at a median of about £593 GBP per carat. Over the last 30 days the median price moved -9.5% and the number of listings moved +15.4%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Princess natural stones in the index: 2,158 USD per carat, +5.7% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: October 2026

Available

275

Lowest Price

£146 GBP

Highest Price

£1,618 GBP

Average Price

£496 GBP