How much does a 3.00 to 4.99ct D FL natural cushion diamond cost?

As of October 2026, 3.00 to 4.99ct D FL natural cushion diamonds typically cost £48,048 GBP to £120,419 GBP, with a median price of £68,338 GBP. There are currently 9 diamonds matching this specification available across retailers.

Where can I find the best price on a D FL cushion diamond?

About 18% of these diamonds are available at multiple retailers, with an average price spread of 25%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct D FL Natural Cushion

Quick answer

As of October 2026, there are 9 natural cushion diamonds with D colour and FL clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £48,048 GBP to £120,419 GBP, with a median of £68,338 GBP. At least 19 retailers stock this exact specification, and 18% of the stones appear at more than one of them, with an average price spread of 25%. Half of all listings fall between £17,047 GBP and £21,738 GBP per carat. The same specification in lab grown form lists at a median of about £1,587 GBP per carat. Over the last 30 days the median price moved +1.5% and the number of listings moved +6.7%.

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. 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

£23,187 GBP

Highest Price

£218,992 GBP

Average Price

£79,235 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

17.6%

Price Spread

25.4%

30-Day Price Trend

+1.5%

30-Day Supply Change

+6.7%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$24,559/ct

10th Percentile

$19,999

Median

$24,559

90th Percentile

$40,760

Score Distribution

16 diamonds scored across 4 quality tiers

Excellent

7 (43.8%)

Very Good

5 (31.3%)

Good

2 (12.5%)

Average

2 (12.5%)

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Lab-Grown D FLSame 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