How much does a 5.00ct+ H SI2 natural princess diamond cost?

As of September 2026, 5.00ct+ H SI2 natural princess diamonds typically cost $57,104 SGD to $128,441 SGD, with a median price of $80,168 SGD. There are currently 7 diamonds matching this specification available across retailers.

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

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5.00ct+ H SI2 Natural Princess

Quick answer

As of September 2026, there are 7 natural princess diamonds with H colour and SI2 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $57,104 SGD to $128,441 SGD, with a median of $80,168 SGD. At least 14 retailers stock this exact specification. Half of all listings fall between $11,299 SGD and $17,010 SGD 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

Lowest Price

$49,624 SGD

Highest Price

$156,418 SGD

Average Price

$89,013 SGD

Market Intelligence

Retailers Selling

Price Spread

37.0%

Price Range

Price per carat distribution across retailers

$12,141/ct

10th Percentile

$5,863

Median

$12,141

90th Percentile

$13,849

Score Distribution

7 diamonds scored across 4 quality tiers

Excellent

1 (14.3%)

Very Good

2 (28.6%)

Good

2 (28.6%)

Average

2 (28.6%)

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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