How much does a 5.00ct+ D FL lab grown radiant diamond cost?

As of November 2026, 5.00ct+ D FL lab grown radiant diamonds typically cost €8,043 EUR to €36,307 EUR, with a median price of €19,470 EUR. There are currently 137 diamonds matching this specification available across retailers.

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

About 46% 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+ D FL Lab Grown Radiant

Quick answer

As of November 2026, there are 137 lab grown radiant diamonds with D color and FL clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run €8,043 EUR to €36,307 EUR, with a median of €19,470 EUR. At least 32 retailers stock this exact specification, and 46% of the stones appear at more than one of them, with an average price spread of 100%. Half of all listings fall between €2,006 EUR and €5,009 EUR per carat. Over the last 30 days the median price moved -13.0% and the number of listings moved +12.5%.

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

137

Lowest Price

€4,630 EUR

Highest Price

€81,478 EUR

Average Price

€21,354 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

46.2%

Price Spread

99.6%

30-Day Price Trend

-13.0%

30-Day Supply Change

+12.5%

Volatility (30d)

0.05

Price Range

Price per carat distribution across retailers

$3,368/ct

10th Percentile

$1,881

Median

$3,368

90th Percentile

$7,266

Score Distribution

385 diamonds scored across 5 quality tiers

Exceptional

14 (3.6%)

Excellent

114 (29.6%)

Very Good

42 (10.9%)

Good

190 (49.4%)

Average

25 (6.5%)

Find Your Diamond

Search 137 D FL radiant diamonds and compare prices.

Search Diamonds

Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

D IFIF inclusions are not visible without magnification

Save 19%

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