How much does a 0.20 to 0.49ct D IF natural radiant diamond cost?

As of October 2026, 0.20 to 0.49ct D IF natural radiant diamonds typically cost $937 NZD to $2,843 NZD, with a median price of $1,285 NZD. There are currently 102 diamonds matching this specification available across retailers.

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

About 19% of these diamonds are available at multiple retailers, with an average price spread of 49%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct D IF Natural Radiant

Quick answer

As of October 2026, there are 102 natural radiant diamonds with D colour and IF clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $937 NZD to $2,843 NZD, with a median of $1,285 NZD. At least 13 retailers stock this exact specification, and 19% of the stones appear at more than one of them, with an average price spread of 49%. Half of all listings fall between $2,694 NZD and $4,270 NZD per carat. The same specification in lab grown form lists at a median of about $1,836 NZD per carat.

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. Radiant natural stones in the index: 3,091 USD per carat, +13.2% 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: October 2026

Available

102

Lowest Price

$697 NZD

Highest Price

$5,032 NZD

Average Price

$1,541 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

18.8%

Price Spread

48.7%

Price Range

Price per carat distribution across retailers

$1,817/ct

10th Percentile

$1,454

Median

$1,817

90th Percentile

$4,339

Score Distribution

334 diamonds scored across 5 quality tiers

Exceptional

23 (6.9%)

Excellent

68 (20.4%)

Very Good

29 (8.7%)

Good

165 (49.4%)

Average

49 (14.7%)

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Lab-Grown D IFSame specifications, lab-grown origin

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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