How much does a 1.00 to 1.49ct J IF natural marquise diamond cost?

As of September 2026, 1.00 to 1.49ct J IF natural marquise diamonds typically cost $2,310 USD to $5,460 USD, with a median price of $3,272 USD. There are currently 111 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

1.00 to 1.49ct J IF Natural Marquise

Quick answer

As of September 2026, there are 111 natural marquise diamonds with J color and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,310 USD to $5,460 USD, with a median of $3,272 USD. At least 40 retailers stock this exact specification. Half of all listings fall between $2,517 USD and $3,746 USD per carat. The same specification in lab grown form lists at a median of about $2,198 USD per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Marquise natural stones in the index: 2,114 USD per carat, -8.8% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

111

Lowest Price

$1,461 USD

Highest Price

$8,145 USD

Average Price

$3,637 USD

Market Intelligence

Retailers Selling

Price Spread

40.4%

Price Range

Price per carat distribution across retailers

$3,039/ct

10th Percentile

$2,082

Median

$3,039

90th Percentile

$4,452

Score Distribution

111 diamonds scored across 4 quality tiers

Excellent

15 (13.5%)

Very Good

33 (29.7%)

Good

30 (27.0%)

Average

33 (29.7%)

Find Your Diamond

Search 111 J IF marquise diamonds and compare prices.

Search Diamonds

Consider Instead

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

Lab-Grown J IFSame specifications, lab-grown origin

Save 28%

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