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

As of November 2026, 0.20 to 0.49ct J IF natural marquise diamonds typically cost $366 SGD to $814 SGD, with a median price of $571 SGD. There are currently 22 diamonds matching this specification available across retailers.

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

About 41% of these diamonds are available at multiple retailers, with an average price spread of 51%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct J IF Natural Marquise

Quick answer

As of November 2026, there are 22 natural marquise diamonds with J colour and IF clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $366 SGD to $814 SGD, with a median of $571 SGD. At least 30 retailers stock this exact specification, and 41% of the stones appear at more than one of them, with an average price spread of 51%. Half of all listings fall between $1,417 SGD and $2,335 SGD per carat. Over the last 30 days the median price moved -1.8% and the number of listings moved +12.1%.

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: November 2026

Available

Lowest Price

$270 SGD

Highest Price

$2,499 SGD

Average Price

$622 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

40.8%

Price Spread

50.8%

30-Day Price Trend

-1.8%

30-Day Supply Change

+12.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,412/ct

10th Percentile

$980

Median

$1,412

90th Percentile

$2,434

Score Distribution

48 diamonds scored across 4 quality tiers

Excellent

15 (31.3%)

Very Good

11 (22.9%)

Good

11 (22.9%)

Average

11 (22.9%)

Find Your Diamond

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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