How much does a 3.00 to 4.99ct F SI2 lab grown princess diamond cost?

As of September 2026, 3.00 to 4.99ct F SI2 lab grown princess diamonds typically cost $772 NZD to $6,452 NZD, with a median price of $1,758 NZD. There are currently 12 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct F SI2 Lab Grown Princess

Quick answer

As of September 2026, there are 12 lab grown princess diamonds with F colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $772 NZD to $6,452 NZD, with a median of $1,758 NZD. At least 14 retailers stock this exact specification. Half of all listings fall between $346 NZD and $930 NZD per carat. The same specification in natural form lists at a median of about $17,666 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 lab grown stones in the index: 481 USD per carat, -7.3% 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

$722 NZD

Highest Price

$7,677 NZD

Average Price

$2,444 NZD

Market Intelligence

Retailers Selling

Price Spread

116.4%

Price Range

Price per carat distribution across retailers

$301/ct

10th Percentile

$155

Median

$301

90th Percentile

$1,091

Score Distribution

12 diamonds scored across 4 quality tiers

Excellent

1 (8.3%)

Very Good

3 (25.0%)

Good

5 (41.7%)

Average

3 (25.0%)

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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