How much does a 0.50 to 0.74ct J VS1 lab grown princess diamond cost?

As of November 2026, 0.50 to 0.74ct J VS1 lab grown princess diamonds typically cost €305 EUR to €1,002 EUR, with a median price of €468 EUR. There are currently 3 diamonds matching this specification available across retailers.

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

About 10% of these diamonds are available at multiple retailers, with an average price spread of 70%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct J VS1 Lab Grown Princess

Quick answer

As of November 2026, there are 3 lab grown princess diamonds with J color and VS1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run €305 EUR to €1,002 EUR, with a median of €468 EUR. At least 16 retailers stock this exact specification, and 10% of the stones appear at more than one of them, with an average price spread of 70%. Half of all listings fall between €320 EUR and €782 EUR per carat. The same specification in natural form lists at a median of about €1,003 EUR 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: November 2026

Available

Lowest Price

€115 EUR

Highest Price

€1,529 EUR

Average Price

€590 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

10.0%

Price Spread

70.4%

Price Range

Price per carat distribution across retailers

$734/ct

10th Percentile

$225

Median

$734

90th Percentile

$1,169

Score Distribution

8 diamonds scored across 4 quality tiers

Excellent

1 (12.5%)

Very Good

1 (12.5%)

Good

4 (50.0%)

Average

2 (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