How much does a 0.20 to 0.49ct D IF lab grown princess diamond cost?

As of October 2026, 0.20 to 0.49ct D IF lab grown princess diamonds typically cost €176 EUR to €619 EUR, with a median price of €368 EUR. There are currently 27 diamonds matching this specification available across retailers.

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

About 67% of these diamonds are available at multiple retailers, with an average price spread of 83%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct D IF Lab Grown Princess

Quick answer

As of October 2026, there are 27 lab grown princess diamonds with D colour and IF clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run €176 EUR to €619 EUR, with a median of €368 EUR. At least 12 retailers stock this exact specification, and 67% of the stones appear at more than one of them, with an average price spread of 83%. Half of all listings fall between €676 EUR and €1,549 EUR per carat. The same specification in natural form lists at a median of about €1,589 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: October 2026

Available

Lowest Price

€85 EUR

Highest Price

€1,959 EUR

Average Price

€383 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

66.7%

Price Spread

83.0%

Price Range

Price per carat distribution across retailers

$1,171/ct

10th Percentile

$660

Median

$1,171

90th Percentile

$2,136

Score Distribution

87 diamonds scored across 4 quality tiers

Excellent

38 (43.7%)

Very Good

6 (6.9%)

Good

41 (47.1%)

Average

2 (2.3%)

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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