How much does a 0.20 to 0.49ct D IF lab grown round diamond cost?

As of November 2026, 0.20 to 0.49ct D IF lab grown round diamonds typically cost €107 EUR to €475 EUR, with a median price of €236 EUR. There are currently 629 diamonds matching this specification available across retailers.

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

About 46% of these diamonds are available at multiple retailers, with an average price spread of 111%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct D IF Lab Grown Round

Quick answer

As of November 2026, there are 629 lab grown round diamonds with D color and IF clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run €107 EUR to €475 EUR, with a median of €236 EUR. At least 21 retailers stock this exact specification, and 46% of the stones appear at more than one of them, with an average price spread of 111%. Half of all listings fall between €401 EUR and €1,213 EUR per carat. The same specification in natural form lists at a median of about €2,129 EUR per carat. Over the last 30 days the median price moved -3.8% and the number of listings moved -0.7%.

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

629

Lowest Price

€57 EUR

Highest Price

€1,272 EUR

Average Price

€284 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

46.0%

Price Spread

111.3%

30-Day Price Trend

-3.8%

30-Day Supply Change

-0.7%

Volatility (30d)

0.08

Price Range

Price per carat distribution across retailers

$815/ct

10th Percentile

$355

Median

$815

90th Percentile

$1,624

Score Distribution

1.9K diamonds scored across 5 quality tiers

Exceptional

7 (0.4%)

Excellent

570 (29.9%)

Very Good

343 (18.0%)

Good

367 (19.2%)

Average

621 (32.5%)

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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