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

As of September 2026, 5.00ct+ J IF natural round diamonds typically cost $108,094 NZD to $629,352 NZD, with a median price of $221,680 NZD. There are currently 71 diamonds matching this specification available across retailers.

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5.00ct+ J IF Natural Round

Quick answer

As of September 2026, there are 71 natural round diamonds with J colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $108,094 NZD to $629,352 NZD, with a median of $221,680 NZD. At least 13 retailers stock this exact specification. Half of all listings fall between $26,739 NZD and $64,007 NZD per carat.

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. Round natural stones in the index: 2,094 USD per carat, -3.8% 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

$61,783 NZD

Highest Price

$2,858,525 NZD

Average Price

$303,037 NZD

Market Intelligence

Retailers Selling

Price Spread

85.9%

Price Range

Price per carat distribution across retailers

$25,267/ct

10th Percentile

$12,842

Median

$25,267

90th Percentile

$70,340

Score Distribution

71 diamonds scored across 4 quality tiers

Excellent

15 (21.1%)

Very Good

24 (33.8%)

Good

15 (21.1%)

Average

17 (23.9%)

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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