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

As of November 2026, 0.20 to 0.49ct I IF natural marquise diamonds typically cost €272 EUR to €622 EUR, with a median price of €418 EUR. There are currently 57 diamonds matching this specification available across retailers.

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

About 33% of these diamonds are available at multiple retailers, with an average price spread of 39%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct I IF Natural Marquise

Quick answer

As of November 2026, there are 57 natural marquise diamonds with I color and IF clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run €272 EUR to €622 EUR, with a median of €418 EUR. 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 39%. Half of all listings fall between €1,136 EUR and €1,659 EUR per carat. Over the last 30 days the median price moved +1.0% and the number of listings moved +21.6%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Marquise natural stones in the index: 2,177 USD per carat, -4.2% 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: November 2026

Available

Lowest Price

€221 EUR

Highest Price

€1,372 EUR

Average Price

€425 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

33.2%

Price Spread

38.5%

30-Day Price Trend

+1.0%

30-Day Supply Change

+21.6%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,524/ct

10th Percentile

$1,106

Median

$1,524

90th Percentile

$2,325

Score Distribution

140 diamonds scored across 4 quality tiers

Excellent

43 (30.7%)

Very Good

36 (25.7%)

Good

38 (27.1%)

Average

23 (16.4%)

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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