How much does a 0.20 to 0.49ct H IF natural marquise diamond cost?

As of October 2026, 0.20 to 0.49ct H IF natural marquise diamonds typically cost $350 USD to $858 USD, with a median price of $539 USD. There are currently 72 diamonds matching this specification available across retailers.

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

About 33% of these diamonds are available at multiple retailers, with an average price spread of 38%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct H IF Natural Marquise

Quick answer

As of October 2026, there are 72 natural marquise diamonds with H color and IF clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $350 USD to $858 USD, with a median of $539 USD. At least 41 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 38%. Half of all listings fall between $1,277 USD and $1,866 USD per carat. Over the last 30 days the median price moved +1.1% and the number of listings moved +25.7%.

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

Lowest Price

$289 USD

Highest Price

$1,608 USD

Average Price

$581 USD

Market Intelligence

Retailers Selling

Cross Retailer %

33.1%

Price Spread

38.5%

30-Day Price Trend

+1.1%

30-Day Supply Change

+25.7%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,529/ct

10th Percentile

$1,107

Median

$1,529

90th Percentile

$2,330

Score Distribution

188 diamonds scored across 4 quality tiers

Excellent

47 (25.0%)

Very Good

47 (25.0%)

Good

33 (17.6%)

Average

61 (32.4%)

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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