How much does a 3.00 to 4.99ct H IF natural round diamond cost?

As of October 2026, 3.00 to 4.99ct H IF natural round diamonds typically cost £29,363 GBP to £88,131 GBP, with a median price of £53,064 GBP. There are currently 44 diamonds matching this specification available across retailers.

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

About 32% 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.

3.00 to 4.99ct H IF Natural Round

Quick answer

As of October 2026, there are 44 natural round diamonds with H colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £29,363 GBP to £88,131 GBP, with a median of £53,064 GBP. At least 47 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 60%. Half of all listings fall between £8,882 GBP and £15,798 GBP per carat. The same specification in lab grown form lists at a median of about £966 GBP per carat. Over the last 30 days the median price moved -6.8% and the number of listings moved +1.6%.

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. 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

Lowest Price

£20,437 GBP

Highest Price

£149,290 GBP

Average Price

£54,469 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

32.1%

Price Spread

59.7%

30-Day Price Trend

-6.8%

30-Day Supply Change

+1.6%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$15,425/ct

10th Percentile

$9,945

Median

$15,425

90th Percentile

$27,063

Score Distribution

113 diamonds scored across 4 quality tiers

Excellent

15 (13.3%)

Very Good

22 (19.5%)

Good

35 (31.0%)

Average

41 (36.3%)

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Consider Instead

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

Lab-Grown H 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