How much does a 5.00ct+ D FL lab grown princess diamond cost?

As of October 2026, 5.00ct+ D FL lab grown princess diamonds typically cost $12,446 USD to $40,268 USD, with a median price of $19,908 USD. There are currently 19 diamonds matching this specification available across retailers.

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

About 37% of these diamonds are available at multiple retailers, with an average price spread of 72%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ D FL Lab Grown Princess

Quick answer

As of October 2026, there are 19 lab grown princess diamonds with D color and FL clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $12,446 USD to $40,268 USD, with a median of $19,908 USD. At least 27 retailers stock this exact specification, and 37% of the stones appear at more than one of them, with an average price spread of 72%. Half of all listings fall between $2,944 USD and $5,676 USD per carat. Over the last 30 days the median price moved -11.2% and the number of listings moved +18.4%.

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

$11,117 USD

Highest Price

$69,300 USD

Average Price

$25,125 USD

Market Intelligence

Retailers Selling

Cross Retailer %

37.1%

Price Spread

72.0%

30-Day Price Trend

-11.2%

30-Day Supply Change

+18.4%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$3,796/ct

10th Percentile

$2,463

Median

$3,796

90th Percentile

$7,599

Score Distribution

46 diamonds scored across 5 quality tiers

Exceptional

4 (8.7%)

Excellent

13 (28.3%)

Very Good

16 (34.8%)

Good

10 (21.7%)

Average

3 (6.5%)

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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