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

As of October 2026, 0.20 to 0.49ct G IF natural radiant diamonds typically cost $628 NZD to $1,822 NZD, with a median price of $1,043 NZD. There are currently 39 diamonds matching this specification available across retailers.

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

About 21% of these diamonds are available at multiple retailers, with an average price spread of 57%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct G IF Natural Radiant

Quick answer

As of October 2026, there are 39 natural radiant diamonds with G colour and IF clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $628 NZD to $1,822 NZD, with a median of $1,043 NZD. At least 18 retailers stock this exact specification, and 21% of the stones appear at more than one of them, with an average price spread of 57%. Half of all listings fall between $2,184 NZD and $3,775 NZD per carat. The same specification in lab grown form lists at a median of about $1,804 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

Lowest Price

$415 NZD

Highest Price

$3,772 NZD

Average Price

$1,145 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

21.1%

Price Spread

56.7%

Price Range

Price per carat distribution across retailers

$1,583/ct

10th Percentile

$1,107

Median

$1,583

90th Percentile

$2,968

Score Distribution

143 diamonds scored across 5 quality tiers

Exceptional

15 (10.5%)

Excellent

21 (14.7%)

Very Good

16 (11.2%)

Good

70 (49.0%)

Average

21 (14.7%)

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H IFH colour is visually identical to G to the naked eye

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Lab-Grown G 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