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

As of September 2026, 5.00ct+ D IF lab grown radiant diamonds typically cost €7,128 EUR to €33,653 EUR, with a median price of €14,530 EUR. There are currently 374 diamonds matching this specification available across retailers.

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

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5.00ct+ D IF Lab Grown Radiant

Quick answer

As of September 2026, there are 374 lab grown radiant diamonds with D colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run €7,128 EUR to €33,653 EUR, with a median of €14,530 EUR. At least 32 retailers stock this exact specification. Half of all listings fall between €1,933 EUR and €4,516 EUR per carat. The same specification in natural form lists at a median of about €28,361 EUR per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Radiant lab grown stones in the index: 473 USD per carat, -12.5% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

374

Lowest Price

€3,451 EUR

Highest Price

€456,997 EUR

Average Price

€20,394 EUR

Market Intelligence

Retailers Selling

Price Spread

94.4%

Price Range

Price per carat distribution across retailers

$3,174/ct

10th Percentile

$1,714

Median

$3,174

90th Percentile

$6,919

Score Distribution

374 diamonds scored across 4 quality tiers

Excellent

95 (25.4%)

Very Good

163 (43.6%)

Good

97 (25.9%)

Average

19 (5.1%)

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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