How much does a 0.20 to 0.49ct D IF natural round diamond cost?

As of October 2026, 0.20 to 0.49ct D IF natural round diamonds typically cost £388 GBP to £1,164 GBP, with a median price of £599 GBP. There are currently 9,196 diamonds matching this specification available across retailers.

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

About 27% of these diamonds are available at multiple retailers, with an average price spread of 44%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct D IF Natural Round

Quick answer

As of October 2026, there are 9,196 natural round diamonds with D colour and IF clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run £388 GBP to £1,164 GBP, with a median of £599 GBP. At least 39 retailers stock this exact specification, and 27% of the stones appear at more than one of them, with an average price spread of 44%. Half of all listings fall between £1,508 GBP and £2,325 GBP per carat. The same specification in lab grown form lists at a median of about £581 GBP per carat. Over the last 30 days the median price moved -3.8% and the number of listings moved +4.7%.

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. Round natural stones in the index: 2,248 USD per carat, +7.6% 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

9,196

Lowest Price

£173 GBP

Highest Price

£2,666 GBP

Average Price

£689 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

26.8%

Price Spread

44.2%

30-Day Price Trend

-3.8%

30-Day Supply Change

+4.7%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,458/ct

10th Percentile

$1,688

Median

$2,458

90th Percentile

$4,038

Score Distribution

16.1K diamonds scored across 5 quality tiers

Exceptional

940 (5.9%)

Excellent

5,336 (33.2%)

Very Good

4,492 (28.0%)

Good

3,010 (18.8%)

Average

2,272 (14.2%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

D VVS1VVS1 inclusions are not visible without magnification

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Lab-Grown D IFSame specifications, lab-grown origin

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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