How much does a 5.00ct+ H IF natural radiant diamond cost?

As of October 2026, 5.00ct+ H IF natural radiant diamonds typically cost £69,645 GBP to £298,606 GBP, with a median price of £75,370 GBP. There are currently 3 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.

5.00ct+ H IF Natural Radiant

Quick answer

As of October 2026, there are 3 natural radiant diamonds with H colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £69,645 GBP to £298,606 GBP, with a median of £75,370 GBP. The same specification in lab grown form lists at a median of about £1,103 GBP 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

£69,210 GBP

Highest Price

£392,260 GBP

Average Price

£153,052 GBP

Score Distribution

5 diamonds scored across 3 quality tiers

Very Good

2 (40.0%)

Good

1 (20.0%)

Average

2 (40.0%)

Find Your Diamond

Search 3 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