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

As of October 2026, 5.00ct+ J IF natural round diamonds typically cost $141,561 NZD to $529,098 NZD, with a median price of $238,390 NZD. There are currently 27 diamonds matching this specification available across retailers.

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

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5.00ct+ J IF Natural Round

Quick answer

As of October 2026, there are 27 natural round diamonds with J colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $141,561 NZD to $529,098 NZD, with a median of $238,390 NZD.

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. Round natural stones in the index: 2,248 USD per carat, +7.6% 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

$110,313 NZD

Highest Price

$1,514,833 NZD

Average Price

$332,655 NZD

Score Distribution

59 diamonds scored across 4 quality tiers

Excellent

12 (20.3%)

Very Good

14 (23.7%)

Good

20 (33.9%)

Average

13 (22.0%)

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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