How much does a 0.20 to 0.49ct I VS2 natural marquise diamond cost?

As of October 2026, 0.20 to 0.49ct I VS2 natural marquise diamonds typically cost $497 NZD to $1,117 NZD, with a median price of $724 NZD. There are currently 257 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS2 marquise diamond?

About 47% of these diamonds are available at multiple retailers, with an average price spread of 62%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct I VS2 Natural Marquise

Quick answer

As of October 2026, there are 257 natural marquise diamonds with I colour and VS2 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $497 NZD to $1,117 NZD, with a median of $724 NZD. At least 16 retailers stock this exact specification, and 47% of the stones appear at more than one of them, with an average price spread of 62%. Half of all listings fall between $1,586 NZD and $2,935 NZD per carat. The same specification in lab grown form lists at a median of about $1,146 NZD per carat. Over the last 30 days the median price moved -0.4% and the number of listings moved +4.8%.

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 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

257

Lowest Price

$298 NZD

Highest Price

$2,764 NZD

Average Price

$777 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

46.5%

Price Spread

62.3%

30-Day Price Trend

-0.4%

30-Day Supply Change

+4.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,220/ct

10th Percentile

$823

Median

$1,220

90th Percentile

$2,060

Score Distribution

551 diamonds scored across 4 quality tiers

Excellent

131 (23.8%)

Very Good

154 (27.9%)

Good

110 (20.0%)

Average

156 (28.3%)

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Consider Instead

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

Lab-Grown I VS2Same 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