How much does a 0.20 to 0.49ct D VVS1 lab grown marquise diamond cost?

As of October 2026, 0.20 to 0.49ct D VVS1 lab grown marquise diamonds typically cost $101 USD to $340 USD, with a median price of $139 USD. There are currently 1,294 diamonds matching this specification available across retailers.

Where can I find the best price on a D VVS1 marquise diamond?

About 50% of these diamonds are available at multiple retailers, with an average price spread of 115%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct D VVS1 Lab Grown Marquise

Quick answer

As of October 2026, there are 1,294 lab grown marquise diamonds with D color and VVS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $101 USD to $340 USD, with a median of $139 USD. At least 16 retailers stock this exact specification, and 50% of the stones appear at more than one of them, with an average price spread of 115%. Half of all listings fall between $441 USD and $1,238 USD per carat. The same specification in natural form lists at a median of about $1,866 USD per carat. Over the last 30 days the median price moved -13.7% and the number of listings moved +67.8%.

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. 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: October 2026

Available

1,294

Lowest Price

$50 USD

Highest Price

$1,424 USD

Average Price

$192 USD

Market Intelligence

Retailers Selling

Cross Retailer %

50.0%

Price Spread

115.4%

30-Day Price Trend

-13.7%

30-Day Supply Change

+67.8%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$690/ct

10th Percentile

$326

Median

$690

90th Percentile

$1,534

Score Distribution

3.4K diamonds scored across 5 quality tiers

Exceptional

6 (0.2%)

Excellent

1,677 (49.1%)

Very Good

443 (13.0%)

Good

905 (26.5%)

Average

382 (11.2%)

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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