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

As of October 2026, 5.00ct+ D FL lab grown round diamonds typically cost €5,981 EUR to €40,459 EUR, with a median price of €16,835 EUR. There are currently 274 diamonds matching this specification available across retailers.

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

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5.00ct+ D FL Lab Grown Round

Quick answer

As of October 2026, there are 274 lab grown round diamonds with D colour and FL clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run €5,981 EUR to €40,459 EUR, with a median of €16,835 EUR.

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

274

Lowest Price

€4,404 EUR

Highest Price

€90,896 EUR

Average Price

€20,750 EUR

Score Distribution

635 diamonds scored across 5 quality tiers

Exceptional

44 (6.9%)

Excellent

159 (25.0%)

Very Good

188 (29.6%)

Good

186 (29.3%)

Average

58 (9.1%)

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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