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

As of November 2026, 3.00 to 4.99ct D SI2 lab grown princess diamonds typically cost $7,401 NZD to $7,401 NZD, with a median price of $7,401 NZD. There are currently 0 diamonds matching this specification available across retailers.

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

About 38% of these diamonds are available at multiple retailers, with an average price spread of 116%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct D SI2 Lab Grown Princess

Quick answer

As of November 2026, there are 0 lab grown princess diamonds with D colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $7,401 NZD to $7,401 NZD, with a median of $7,401 NZD. At least 22 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 116%. Half of all listings fall between $437 NZD and $1,134 NZD per carat. The same specification in natural form lists at a median of about $17,549 NZD per carat. Over the last 30 days the median price moved -9.6% and the number of listings moved +29.4%.

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 lab grown stones in the index: 461 USD per carat, -4.8% 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: November 2026

Available

Lowest Price

$7,401 NZD

Highest Price

$7,401 NZD

Average Price

$7,401 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

38.5%

Price Spread

115.9%

30-Day Price Trend

-9.6%

30-Day Supply Change

+29.4%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$339/ct

10th Percentile

$178

Median

$339

90th Percentile

$1,222

Score Distribution

1 diamonds scored across 1 quality tiers

Average

1 (100.0%)

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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