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

As of October 2026, 0.20 to 0.49ct D VS1 natural marquise diamonds typically cost $538 AUD to $1,519 AUD, with a median price of $845 AUD. There are currently 1,709 diamonds matching this specification available across retailers.

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

About 38% of these diamonds are available at multiple retailers, with an average price spread of 41%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct D VS1 Natural Marquise

Quick answer

As of October 2026, there are 1,709 natural marquise diamonds with D colour and VS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $538 AUD to $1,519 AUD, with a median of $845 AUD. At least 22 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 41%. Half of all listings fall between $2,265 AUD and $3,361 AUD per carat. The same specification in lab grown form lists at a median of about $635 AUD per carat. Over the last 30 days the median price moved -4.4% and the number of listings moved +3.6%.

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 natural stones in the index: 2,268 USD per carat, +10.8% 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

1,709

Lowest Price

$309 AUD

Highest Price

$2,667 AUD

Average Price

$961 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

38.1%

Price Spread

41.2%

30-Day Price Trend

-4.4%

30-Day Supply Change

+3.6%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,867/ct

10th Percentile

$1,307

Median

$1,867

90th Percentile

$3,088

Score Distribution

3.2K diamonds scored across 5 quality tiers

Exceptional

4 (0.1%)

Excellent

572 (18.0%)

Very Good

425 (13.4%)

Good

1,104 (34.7%)

Average

1,074 (33.8%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

D VS2VS2 inclusions are not visible without magnification

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Lab-Grown D VS1Same specifications, lab-grown origin

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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