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

As of September 2026, 5.00ct+ J IF natural radiant diamonds typically cost HK$502,792 HKD to HK$704,413 HKD, with a median price of HK$533,975 HKD. There are currently 3 diamonds matching this specification available across retailers.

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

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5.00ct+ J IF Natural Radiant

Quick answer

As of September 2026, there are 3 natural radiant diamonds with J colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run HK$502,792 HKD to HK$704,413 HKD, with a median of HK$533,975 HKD.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Radiant natural stones in the index: 2,765 USD per carat, +6.0% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

HK$494,996 HKD

Highest Price

HK$747,022 HKD

Average Price

HK$591,998 HKD

Score Distribution

3 diamonds scored across 3 quality tiers

Excellent

1 (33.3%)

Good

1 (33.3%)

Average

1 (33.3%)

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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