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

As of October 2026, 3.00 to 4.99ct D IF lab grown radiant diamonds typically cost €1,112 EUR to €7,550 EUR, with a median price of €2,998 EUR. There are currently 1,476 diamonds matching this specification available across retailers.

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

About 40% 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.

3.00 to 4.99ct D IF Lab Grown Radiant

Quick answer

As of October 2026, there are 1,476 lab grown radiant diamonds with D colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run €1,112 EUR to €7,550 EUR, with a median of €2,998 EUR. At least 52 retailers stock this exact specification, and 40% of the stones appear at more than one of them, with an average price spread of 100%. Half of all listings fall between €554 EUR and €1,432 EUR per carat. Over the last 30 days the median price moved -23.2% and the number of listings moved +19.8%.

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: October 2026

Available

1,476

Lowest Price

€841 EUR

Highest Price

€32,302 EUR

Average Price

€3,956 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

40.5%

Price Spread

100.0%

30-Day Price Trend

-23.2%

30-Day Supply Change

+19.8%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$980/ct

10th Percentile

$446

Median

$980

90th Percentile

$2,455

Score Distribution

4.4K diamonds scored across 5 quality tiers

Exceptional

135 (3.1%)

Excellent

1,587 (36.2%)

Very Good

1,230 (28.0%)

Good

1,238 (28.2%)

Average

200 (4.6%)

Find Your Diamond

Search 1,476 D IF 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 VVS1VVS1 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