How much does a 5.00ct+ F IF lab grown round diamond cost?

As of October 2026, 5.00ct+ F IF lab grown round diamonds typically cost £2,583 GBP to £14,485 GBP, with a median price of £5,900 GBP. There are currently 46 diamonds matching this specification available across retailers.

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

About 45% of these diamonds are available at multiple retailers, with an average price spread of 100%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ F IF Lab Grown Round

Quick answer

As of October 2026, there are 46 lab grown round diamonds with F colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £2,583 GBP to £14,485 GBP, with a median of £5,900 GBP. At least 39 retailers stock this exact specification, and 45% of the stones appear at more than one of them, with an average price spread of 100%. Half of all listings fall between £794 GBP and £1,919 GBP per carat. The same specification in natural form lists at a median of about £27,678 GBP per carat. Over the last 30 days the median price moved -13.6% and the number of listings moved +5.4%.

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 lab grown stones in the index: 414 USD per carat, -5.0% 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

£2,158 GBP

Highest Price

£51,874 GBP

Average Price

£7,822 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

44.8%

Price Spread

99.5%

30-Day Price Trend

-13.6%

30-Day Supply Change

+5.4%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$1,506/ct

10th Percentile

$767

Median

$1,506

90th Percentile

$3,740

Score Distribution

102 diamonds scored across 5 quality tiers

Exceptional

1 (1.0%)

Excellent

41 (40.2%)

Very Good

15 (14.7%)

Good

38 (37.3%)

Average

7 (6.9%)

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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