How much does a 3.00 to 4.99ct E SI1 natural heart diamond cost?

As of November 2026, 3.00 to 4.99ct E SI1 natural heart diamonds typically cost $50,168 NZD to $143,244 NZD, with a median price of $79,106 NZD. There are currently 30 diamonds matching this specification available across retailers.

Where can I find the best price on a E SI1 heart diamond?

About 32% of these diamonds are available at multiple retailers, with an average price spread of 34%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct E SI1 Natural Heart

Quick answer

As of November 2026, there are 30 natural heart diamonds with E colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $50,168 NZD to $143,244 NZD, with a median of $79,106 NZD. At least 13 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 34%. Half of all listings fall between $14,039 NZD and $19,116 NZD per carat. The same specification in lab grown form lists at a median of about $566 NZD per carat. Over the last 30 days the median price moved -2.6% and the number of listings moved +15.4%.

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. Heart natural stones in the index: 2,374 USD per carat, +9.8% 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: November 2026

Available

Lowest Price

$39,498 NZD

Highest Price

$255,034 NZD

Average Price

$91,848 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

32.5%

Price Spread

34.5%

30-Day Price Trend

-2.6%

30-Day Supply Change

+15.4%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$8,297/ct

10th Percentile

$7,610

Median

$8,297

90th Percentile

$12,977

Score Distribution

103 diamonds scored across 4 quality tiers

Excellent

11 (10.7%)

Very Good

18 (17.5%)

Good

19 (18.4%)

Average

55 (53.4%)

Find Your Diamond

Search 30 E SI1 heart diamonds and compare prices.

Search Diamonds

Consider Instead

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

E SI2SI2 inclusions are not visible without magnification

Save 44%

Lab-Grown E SI1Same specifications, lab-grown origin

Save 95%

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