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

As of November 2026, 3.00 to 4.99ct D FL lab grown radiant diamonds typically cost €2,100 EUR to €12,644 EUR, with a median price of €4,530 EUR. There are currently 1,127 diamonds matching this specification available across retailers.

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

About 48% of these diamonds are available at multiple retailers, with an average price spread of 94%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct D FL Lab Grown Radiant

Quick answer

As of November 2026, there are 1,127 lab grown radiant diamonds with D color and FL clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run €2,100 EUR to €12,644 EUR, with a median of €4,530 EUR. At least 40 retailers stock this exact specification, and 48% of the stones appear at more than one of them, with an average price spread of 94%. Half of all listings fall between €918 EUR and €2,143 EUR per carat. Over the last 30 days the median price moved -17.5% and the number of listings moved +12.8%.

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: November 2026

Available

1,127

Lowest Price

€1,457 EUR

Highest Price

€34,731 EUR

Average Price

€6,310 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

47.5%

Price Spread

94.2%

30-Day Price Trend

-17.5%

30-Day Supply Change

+12.8%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$1,453/ct

10th Percentile

$777

Median

$1,453

90th Percentile

$3,694

Score Distribution

3.2K diamonds scored across 5 quality tiers

Exceptional

31 (1.0%)

Excellent

1,203 (38.0%)

Very Good

169 (5.3%)

Good

1,470 (46.5%)

Average

291 (9.2%)

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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