How much does a 5.00ct+ I VS1 natural heart diamond cost?

As of September 2026, 5.00ct+ I VS1 natural heart diamonds typically cost $98,983 NZD to $757,924 NZD, with a median price of $156,255 NZD. There are currently 24 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS1 heart diamond?

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5.00ct+ I VS1 Natural Heart

Quick answer

As of September 2026, there are 24 natural heart diamonds with I colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $98,983 NZD to $757,924 NZD, with a median of $156,255 NZD. At least 7 retailers stock this exact specification. Half of all listings fall between $36,774 NZD and $83,426 NZD per carat. The same specification in lab grown form lists at a median of about $923 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. Heart natural stones in the index: 2,261 USD per carat, +1.7% 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

$79,400 NZD

Highest Price

$1,002,957 NZD

Average Price

$255,199 NZD

Market Intelligence

Retailers Selling

Price Spread

73.3%

Price Range

Price per carat distribution across retailers

$38,158/ct

10th Percentile

$21,366

Median

$38,158

90th Percentile

$64,330

Score Distribution

24 diamonds scored across 4 quality tiers

Excellent

4 (16.7%)

Very Good

10 (41.7%)

Good

7 (29.2%)

Average

3 (12.5%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

J VS1J colour is visually identical to I to the naked eye

Save 60%

Lab-Grown I VS1Same specifications, lab-grown origin

Save 98%

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