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

As of October 2026, 3.00 to 4.99ct D IF natural radiant diamonds typically cost $128,965 AUD to $287,128 AUD, with a median price of $160,244 AUD. There are currently 3 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct D IF Natural Radiant

Quick answer

As of October 2026, there are 3 natural radiant diamonds with D colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $128,965 AUD to $287,128 AUD, with a median of $160,244 AUD. The same specification in lab grown form lists at a median of about $1,768 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

$122,091 AUD

Highest Price

$477,938 AUD

Average Price

$198,160 AUD

Score Distribution

9 diamonds scored across 2 quality tiers

Very Good

4 (44.4%)

Average

5 (55.6%)

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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