How much does a 0.20 to 0.49ct G VS1 lab grown princess diamond cost?

As of October 2026, 0.20 to 0.49ct G VS1 lab grown princess diamonds typically cost $223 NZD to $1,029 NZD, with a median price of $347 NZD. There are currently 10 diamonds matching this specification available across retailers.

Where can I find the best price on a G VS1 princess diamond?

About 46% of these diamonds are available at multiple retailers, with an average price spread of 84%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct G VS1 Lab Grown Princess

Quick answer

As of October 2026, there are 10 lab grown princess diamonds with G colour and VS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $223 NZD to $1,029 NZD, with a median of $347 NZD. At least 14 retailers stock this exact specification, and 46% of the stones appear at more than one of them, with an average price spread of 84%. Half of all listings fall between $858 NZD and $1,975 NZD per carat. The same specification in natural form lists at a median of about $2,893 NZD per carat.

Three of the best scored stones at this specification right now:

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: October 2026

Available

Lowest Price

$169 NZD

Highest Price

$2,456 NZD

Average Price

$530 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

46.1%

Price Spread

84.5%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$743/ct

10th Percentile

$356

Median

$743

90th Percentile

$1,401

Score Distribution

17 diamonds scored across 2 quality tiers

Excellent

10 (58.8%)

Average

7 (41.2%)

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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