How much does a 3.00 to 4.99ct F FL lab grown radiant diamond cost?

As of October 2026, 3.00 to 4.99ct F FL lab grown radiant diamonds typically cost $2,548 USD to $7,642 USD, with a median price of $4,715 USD. There are currently 5 diamonds matching this specification available across retailers.

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

About 47% of these diamonds are available at multiple retailers, with an average price spread of 92%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct F FL Lab Grown Radiant

Quick answer

As of October 2026, there are 5 lab grown radiant diamonds with F color and FL clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $2,548 USD to $7,642 USD, with a median of $4,715 USD. At least 30 retailers stock this exact specification, and 47% of the stones appear at more than one of them, with an average price spread of 92%. Half of all listings fall between $907 USD and $2,525 USD per carat. Over the last 30 days the median price moved -10.2% and the number of listings moved +14.7%.

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

$2,308 USD

Highest Price

$16,010 USD

Average Price

$5,256 USD

Market Intelligence

Retailers Selling

Cross Retailer %

47.4%

Price Spread

91.9%

30-Day Price Trend

-10.2%

30-Day Supply Change

+14.7%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,760/ct

10th Percentile

$772

Median

$1,760

90th Percentile

$3,618

Score Distribution

16 diamonds scored across 4 quality tiers

Excellent

5 (31.3%)

Very Good

3 (18.8%)

Good

2 (12.5%)

Average

6 (37.5%)

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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