How much does a 1.00 to 1.49ct D IF natural radiant diamond cost?

As of September 2026, 1.00 to 1.49ct D IF natural radiant diamonds typically cost $5,090 USD to $11,262 USD, with a median price of $6,904 USD. There are currently 109 diamonds matching this specification available across retailers.

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1.00 to 1.49ct D IF Natural Radiant

Quick answer

As of September 2026, there are 109 natural radiant diamonds with D color and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $5,090 USD to $11,262 USD, with a median of $6,904 USD. At least 47 retailers stock this exact specification. Half of all listings fall between $5,142 USD and $7,451 USD per carat. The same specification in lab grown form lists at a median of about $651 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. Radiant natural stones in the index: 2,765 USD per carat, +6.0% 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

109

Lowest Price

$2,650 USD

Highest Price

$21,649 USD

Average Price

$7,714 USD

Market Intelligence

Retailers Selling

Price Spread

38.2%

Price Range

Price per carat distribution across retailers

$6,042/ct

10th Percentile

$4,606

Median

$6,042

90th Percentile

$9,039

Score Distribution

109 diamonds scored across 5 quality tiers

Exceptional

1 (0.9%)

Excellent

13 (11.9%)

Very Good

31 (28.4%)

Good

33 (30.3%)

Average

31 (28.4%)

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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