How much does a 1.00 to 1.49ct H SI2 natural princess diamond cost?

As of September 2026, 1.00 to 1.49ct H SI2 natural princess diamonds typically cost $2,187 NZD to $6,560 NZD, with a median price of $3,828 NZD. There are currently 537 diamonds matching this specification available across retailers.

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1.00 to 1.49ct H SI2 Natural Princess

Quick answer

As of September 2026, there are 537 natural princess diamonds with H colour and SI2 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,187 NZD to $6,560 NZD, with a median of $3,828 NZD. At least 44 retailers stock this exact specification. Half of all listings fall between $2,623 NZD and $4,355 NZD per carat. The same specification in lab grown form lists at a median of about $2,407 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. Princess natural stones in the index: 2,073 USD per carat, -3.2% 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

537

Lowest Price

$691 NZD

Highest Price

$13,577 NZD

Average Price

$4,108 NZD

Market Intelligence

Retailers Selling

Price Spread

51.5%

Price Range

Price per carat distribution across retailers

$1,938/ct

10th Percentile

$1,261

Median

$1,938

90th Percentile

$3,196

Score Distribution

537 diamonds scored across 4 quality tiers

Excellent

72 (13.4%)

Very Good

105 (19.6%)

Good

159 (29.6%)

Average

201 (37.4%)

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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