How much does a 5.00ct+ I VS2 lab grown princess diamond cost?

As of October 2026, 5.00ct+ I VS2 lab grown princess diamonds typically cost £732 GBP to £32,050 GBP, with a median price of £6,013 GBP. There are currently 9 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS2 princess diamond?

About 26% of these diamonds are available at multiple retailers, with an average price spread of 177%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ I VS2 Lab Grown Princess

Quick answer

As of October 2026, there are 9 lab grown princess diamonds with I colour and VS2 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £732 GBP to £32,050 GBP, with a median of £6,013 GBP. At least 20 retailers stock this exact specification, and 26% of the stones appear at more than one of them, with an average price spread of 177%. Half of all listings fall between £192 GBP and £743 GBP per carat. The same specification in natural form lists at a median of about £12,727 GBP per carat. Over the last 30 days the median price moved -5.3% and the number of listings moved +40.9%.

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

£594 GBP

Highest Price

£65,743 GBP

Average Price

£12,010 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

25.8%

Price Spread

176.5%

30-Day Price Trend

-5.3%

30-Day Supply Change

+40.9%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$416/ct

10th Percentile

$210

Median

$416

90th Percentile

$1,637

Score Distribution

17 diamonds scored across 4 quality tiers

Excellent

3 (17.6%)

Very Good

4 (23.5%)

Good

3 (17.6%)

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