How much does a 3.00 to 4.99ct F IF natural cushion diamond cost?

As of October 2026, 3.00 to 4.99ct F IF natural cushion diamonds typically cost £25,577 GBP to £61,963 GBP, with a median price of £36,705 GBP. There are currently 5 diamonds matching this specification available across retailers.

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

About 30% of these diamonds are available at multiple retailers, with an average price spread of 51%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct F IF Natural Cushion

Quick answer

As of October 2026, there are 5 natural cushion diamonds with F colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £25,577 GBP to £61,963 GBP, with a median of £36,705 GBP. At least 26 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 51%. Half of all listings fall between £9,840 GBP and £16,147 GBP per carat. The same specification in lab grown form lists at a median of about £956 GBP per carat. Over the last 30 days the median price moved +5.5% and the number of listings moved -16.1%.

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. Cushion natural stones in the index: 2,948 USD per carat, +1.7% 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

£25,452 GBP

Highest Price

£73,257 GBP

Average Price

£42,402 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

30.4%

Price Spread

50.7%

30-Day Price Trend

+5.5%

30-Day Supply Change

-16.1%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$16,561/ct

10th Percentile

$12,387

Median

$16,561

90th Percentile

$26,817

Score Distribution

13 diamonds scored across 4 quality tiers

Excellent

3 (23.1%)

Very Good

1 (7.7%)

Good

6 (46.2%)

Average

3 (23.1%)

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Consider Instead

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

Lab-Grown F 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