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

As of September 2026, 1.00 to 1.49ct D FL lab grown heart diamonds typically cost $336 USD to $1,835 USD, with a median price of $845 USD. There are currently 283 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct D FL Lab Grown Heart

Quick answer

As of September 2026, there are 283 lab grown heart diamonds with D color and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $336 USD to $1,835 USD, with a median of $845 USD. At least 20 retailers stock this exact specification. Half of all listings fall between $635 USD and $1,625 USD per carat. The same specification in natural form lists at a median of about $6,778 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. Heart lab grown stones in the index: 440 USD per carat, -9.4% 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

283

Lowest Price

$306 USD

Highest Price

$4,770 USD

Average Price

$1,027 USD

Market Intelligence

Retailers Selling

Price Spread

121.7%

Price Range

Price per carat distribution across retailers

$814/ct

10th Percentile

$526

Median

$814

90th Percentile

$2,683

Score Distribution

283 diamonds scored across 4 quality tiers

Excellent

52 (18.4%)

Very Good

83 (29.3%)

Good

80 (28.3%)

Average

68 (24.0%)

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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