How much does a 5.00ct+ J SI1 lab grown princess diamond cost?

As of July 2026, 5.00ct+ J SI1 lab grown princess diamonds typically cost $17,888 NZD to $77,061 NZD, with a median price of $18,942 NZD. There are currently 9 diamonds matching this specification available across retailers.

Where can I find the best price on a J SI1 princess diamond?

Compare prices across retailers on Carat Hunter to see all your options.

5.00ct+ J SI1 Lab Grown Princess

Last updated: July 2026

Available

Lowest Price

$17,402 NZD

Highest Price

$166,666 NZD

Average Price

$36,919 NZD

Score Distribution

9 diamonds scored across 3 quality tiers

Excellent

1 (11.1%)

Good

7 (77.8%)

Average

1 (11.1%)

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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