How much does a 0.20 to 0.49ct G VVS2 lab grown princess diamond cost?

As of October 2026, 0.20 to 0.49ct G VVS2 lab grown princess diamonds typically cost £79 GBP to £416 GBP, with a median price of £111 GBP. There are currently 16 diamonds matching this specification available across retailers.

Where can I find the best price on a G VVS2 princess diamond?

About 46% of these diamonds are available at multiple retailers, with an average price spread of 98%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct G VVS2 Lab Grown Princess

Quick answer

As of October 2026, there are 16 lab grown princess diamonds with G colour and VVS2 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run £79 GBP to £416 GBP, with a median of £111 GBP. 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 98%. Half of all listings fall between £427 GBP and £1,053 GBP per carat. The same specification in natural form lists at a median of about £1,310 GBP 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

£68 GBP

Highest Price

£1,051 GBP

Average Price

£188 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

46.1%

Price Spread

97.8%

Price Range

Price per carat distribution across retailers

$852/ct

10th Percentile

$472

Median

$852

90th Percentile

$1,756

Score Distribution

28 diamonds scored across 4 quality tiers

Excellent

13 (46.4%)

Very Good

6 (21.4%)

Good

4 (14.3%)

Average

5 (17.9%)

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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