How much does a 0.20 to 0.49ct I IF natural princess diamond cost?

As of October 2026, 0.20 to 0.49ct I IF natural princess diamonds typically cost £213 GBP to £611 GBP, with a median price of £346 GBP. There are currently 30 diamonds matching this specification available across retailers.

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

About 34% of these diamonds are available at multiple retailers, with an average price spread of 47%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct I IF Natural Princess

Quick answer

As of October 2026, there are 30 natural princess diamonds with I colour and IF clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run £213 GBP to £611 GBP, with a median of £346 GBP. At least 42 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 47%. Half of all listings fall between £784 GBP and £1,236 GBP per carat. Over the last 30 days the median price moved -6.6% and the number of listings moved -6.6%.

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

Lowest Price

£163 GBP

Highest Price

£1,167 GBP

Average Price

£377 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

34.2%

Price Spread

46.6%

30-Day Price Trend

-6.6%

30-Day Supply Change

-6.6%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,293/ct

10th Percentile

$878

Median

$1,293

90th Percentile

$2,067

Score Distribution

84 diamonds scored across 4 quality tiers

Excellent

21 (25.0%)

Very Good

22 (26.2%)

Good

22 (26.2%)

Average

19 (22.6%)

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Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1