How much does a 3.00 to 4.99ct H SI2 natural princess diamond cost?

As of October 2026, 3.00 to 4.99ct H SI2 natural princess diamonds typically cost $24,143 NZD to $75,419 NZD, with a median price of $47,682 NZD. There are currently 27 diamonds matching this specification available across retailers.

Where can I find the best price on a H SI2 princess diamond?

About 29% of these diamonds are available at multiple retailers, with an average price spread of 43%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct H SI2 Natural Princess

Quick answer

As of October 2026, there are 27 natural princess diamonds with H colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $24,143 NZD to $75,419 NZD, with a median of $47,682 NZD. At least 45 retailers stock this exact specification, and 29% of the stones appear at more than one of them, with an average price spread of 43%. Half of all listings fall between $10,440 NZD and $15,849 NZD per carat. The same specification in lab grown form lists at a median of about $1,217 NZD per carat. Over the last 30 days the median price moved -1.3% and the number of listings moved +4.3%.

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. Princess natural stones in the index: 2,158 USD per carat, +5.7% 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

$18,036 NZD

Highest Price

$117,036 NZD

Average Price

$51,179 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

29.4%

Price Spread

43.0%

30-Day Price Trend

-1.3%

30-Day Supply Change

+4.3%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$7,060/ct

10th Percentile

$4,618

Median

$7,060

90th Percentile

$11,119

Score Distribution

66 diamonds scored across 4 quality tiers

Excellent

7 (10.6%)

Very Good

17 (25.8%)

Good

13 (19.7%)

Average

29 (43.9%)

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Consider Instead

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

Lab-Grown H SI2Same specifications, lab-grown origin

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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