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

As of October 2026, 0.20 to 0.49ct E VVS1 lab grown marquise diamonds typically cost $145 AUD to $589 AUD, with a median price of $241 AUD. There are currently 150 diamonds matching this specification available across retailers.

Where can I find the best price on a E 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 E VVS1 Lab Grown Marquise

Quick answer

As of October 2026, there are 150 lab grown marquise diamonds with E colour and VVS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $145 AUD to $589 AUD, with a median of $241 AUD. 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 $614 AUD and $1,726 AUD per carat. The same specification in natural form lists at a median of about $2,656 AUD per carat. Over the last 30 days the median price moved -6.2% and the number of listings moved +49.9%.

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

150

Lowest Price

$98 AUD

Highest Price

$1,759 AUD

Average Price

$308 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

50.0%

Price Spread

115.0%

30-Day Price Trend

-6.2%

30-Day Supply Change

+49.9%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$679/ct

10th Percentile

$326

Median

$679

90th Percentile

$1,534

Score Distribution

423 diamonds scored across 4 quality tiers

Excellent

158 (37.4%)

Very Good

78 (18.4%)

Good

111 (26.2%)

Average

76 (18.0%)

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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