How much does a 1.00 to 1.49ct D FL lab grown princess diamond cost?

As of September 2026, 1.00 to 1.49ct D FL lab grown princess diamonds typically cost $377 USD to $1,890 USD, with a median price of $1,280 USD. There are currently 556 diamonds matching this specification available across retailers.

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1.00 to 1.49ct D FL Lab Grown Princess

Quick answer

As of September 2026, there are 556 lab grown princess diamonds with D color and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $377 USD to $1,890 USD, with a median of $1,280 USD. At least 26 retailers stock this exact specification. Half of all listings fall between $628 USD and $2,228 USD per carat. The same specification in natural form lists at a median of about $8,516 USD per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Princess lab grown stones in the index: 481 USD per carat, -7.3% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

556

Lowest Price

$327 USD

Highest Price

$19,312 USD

Average Price

$1,329 USD

Market Intelligence

Retailers Selling

Price Spread

153.9%

Price Range

Price per carat distribution across retailers

$1,039/ct

10th Percentile

$512

Median

$1,039

90th Percentile

$3,120

Score Distribution

556 diamonds scored across 4 quality tiers

Excellent

111 (20.0%)

Very Good

73 (13.1%)

Good

329 (59.2%)

Average

43 (7.7%)

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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