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

As of November 2026, 3.00 to 4.99ct D IF lab grown round diamonds typically cost €899 EUR to €8,656 EUR, with a median price of €2,378 EUR. There are currently 2,289 diamonds matching this specification available across retailers.

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

About 43% of these diamonds are available at multiple retailers, with an average price spread of 120%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct D IF Lab Grown Round

Quick answer

As of November 2026, there are 2,289 lab grown round diamonds with D color and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run €899 EUR to €8,656 EUR, with a median of €2,378 EUR. At least 51 retailers stock this exact specification, and 43% of the stones appear at more than one of them, with an average price spread of 120%. Half of all listings fall between €452 EUR and €1,302 EUR per carat. The same specification in natural form lists at a median of about €44,348 EUR per carat. Over the last 30 days the median price moved -12.4% and the number of listings moved +10.5%.

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. 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: November 2026

Available

2,289

Lowest Price

€666 EUR

Highest Price

€33,854 EUR

Average Price

€3,840 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

43.1%

Price Spread

119.8%

30-Day Price Trend

-12.4%

30-Day Supply Change

+10.5%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$793/ct

10th Percentile

$336

Median

$793

90th Percentile

$2,649

Score Distribution

5.7K diamonds scored across 5 quality tiers

Exceptional

153 (2.7%)

Excellent

2,436 (43.1%)

Very Good

1,499 (26.5%)

Good

1,247 (22.1%)

Average

320 (5.7%)

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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