How much does a 0.20 to 0.49ct D VS1 lab grown marquise diamond cost?

As of November 2026, 0.20 to 0.49ct D VS1 lab grown marquise diamonds typically cost €75 EUR to €331 EUR, with a median price of €143 EUR. There are currently 313 diamonds matching this specification available across retailers.

Where can I find the best price on a D VS1 marquise diamond?

About 61% of these diamonds are available at multiple retailers, with an average price spread of 172%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct D VS1 Lab Grown Marquise

Quick answer

As of November 2026, there are 313 lab grown marquise diamonds with D color and VS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run €75 EUR to €331 EUR, with a median of €143 EUR. At least 20 retailers stock this exact specification, and 61% of the stones appear at more than one of them, with an average price spread of 172%. Half of all listings fall between €236 EUR and €753 EUR per carat. The same specification in natural form lists at a median of about €1,597 EUR per carat. Over the last 30 days the median price moved -24.6% and the number of listings moved +48.6%.

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. Marquise lab grown stones in the index: 485 USD per carat, -3.2% 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

313

Lowest Price

€47 EUR

Highest Price

€889 EUR

Average Price

€186 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

60.6%

Price Spread

172.3%

30-Day Price Trend

-24.6%

30-Day Supply Change

+48.6%

Volatility (30d)

0.09

Price Range

Price per carat distribution across retailers

$335/ct

10th Percentile

$230

Median

$335

90th Percentile

$1,048

Score Distribution

872 diamonds scored across 4 quality tiers

Excellent

276 (31.7%)

Very Good

178 (20.4%)

Good

192 (22.0%)

Average

226 (25.9%)

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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