How much does a 3.00 to 4.99ct H IF natural radiant diamond cost?

As of October 2026, 3.00 to 4.99ct H IF natural radiant diamonds typically cost $54,400 AUD to $114,369 AUD, with a median price of $75,462 AUD. There are currently 7 diamonds matching this specification available across retailers.

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

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

3.00 to 4.99ct H IF Natural Radiant

Quick answer

As of October 2026, there are 7 natural radiant diamonds with H colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $54,400 AUD to $114,369 AUD, with a median of $75,462 AUD. The same specification in lab grown form lists at a median of about $1,671 AUD 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

$45,150 AUD

Highest Price

$151,748 AUD

Average Price

$81,804 AUD

Score Distribution

21 diamonds scored across 4 quality tiers

Excellent

5 (23.8%)

Very Good

1 (4.8%)

Good

5 (23.8%)

Average

10 (47.6%)

Find Your Diamond

Search 7 H IF radiant diamonds and compare prices.

Search Diamonds

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