How much does a 0.20 to 0.49ct D FL lab grown oval diamond cost?

As of October 2026, 0.20 to 0.49ct D FL lab grown oval diamonds typically cost €155 EUR to €840 EUR, with a median price of €389 EUR. There are currently 49 diamonds matching this specification available across retailers.

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

About 42% of these diamonds are available at multiple retailers, with an average price spread of 92%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct D FL Lab Grown Oval

Quick answer

As of October 2026, there are 49 lab grown oval diamonds with D colour and FL clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run €155 EUR to €840 EUR, with a median of €389 EUR. At least 25 retailers stock this exact specification, and 42% of the stones appear at more than one of them, with an average price spread of 92%. Half of all listings fall between €789 EUR and €1,793 EUR per carat. The same specification in natural form lists at a median of about €2,222 EUR per carat. Over the last 30 days the median price moved -4.3% and the number of listings moved +49.1%.

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. Oval lab grown stones in the index: 453 USD per carat, -7.4% 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

Lowest Price

€61 EUR

Highest Price

€1,693 EUR

Average Price

€482 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

42.5%

Price Spread

92.0%

30-Day Price Trend

-4.3%

30-Day Supply Change

+49.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,214/ct

10th Percentile

$549

Median

$1,214

90th Percentile

$3,049

Score Distribution

155 diamonds scored across 4 quality tiers

Excellent

48 (31.0%)

Very Good

20 (12.9%)

Good

19 (12.3%)

Average

68 (43.9%)

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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