How much does a 0.75 to 0.99ct F IF lab grown radiant diamond cost?

As of October 2026, 0.75 to 0.99ct F IF lab grown radiant diamonds typically cost £156 GBP to £716 GBP, with a median price of £462 GBP. There are currently 4 diamonds matching this specification available across retailers.

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

About 29% of these diamonds are available at multiple retailers, with an average price spread of 91%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct F IF Lab Grown Radiant

Quick answer

As of October 2026, there are 4 lab grown radiant diamonds with F colour and IF clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run £156 GBP to £716 GBP, with a median of £462 GBP. At least 30 retailers stock this exact specification, and 29% of the stones appear at more than one of them, with an average price spread of 91%. Half of all listings fall between £313 GBP and £830 GBP per carat. The same specification in natural form lists at a median of about £2,130 GBP per carat. Over the last 30 days the median price moved -3.8% and the number of listings moved +24.7%.

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. Radiant lab grown stones in the index: 474 USD per carat, -2.1% 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

£147 GBP

Highest Price

£1,832 GBP

Average Price

£462 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

29.4%

Price Spread

91.1%

30-Day Price Trend

-3.8%

30-Day Supply Change

+24.7%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$756/ct

10th Percentile

$304

Median

$756

90th Percentile

$1,674

Score Distribution

16 diamonds scored across 4 quality tiers

Excellent

4 (25.0%)

Very Good

2 (12.5%)

Good

6 (37.5%)

Average

4 (25.0%)

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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