How much does a 1.50 to 1.99ct D FL lab grown heart diamond cost?

As of October 2026, 1.50 to 1.99ct D FL lab grown heart diamonds typically cost $654 USD to $2,942 USD, with a median price of $1,305 USD. There are currently 126 diamonds matching this specification available across retailers.

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

About 53% of these diamonds are available at multiple retailers, with an average price spread of 119%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct D FL Lab Grown Heart

Quick answer

As of October 2026, there are 126 lab grown heart diamonds with D color and FL clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $654 USD to $2,942 USD, with a median of $1,305 USD. At least 36 retailers stock this exact specification, and 53% of the stones appear at more than one of them, with an average price spread of 119%. Half of all listings fall between $625 USD and $1,747 USD per carat. The same specification in natural form lists at a median of about $10,836 USD per carat. Over the last 30 days the median price moved -13.0% and the number of listings moved +50.8%.

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. Heart lab grown stones in the index: 421 USD per carat, -1.8% 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

126

Lowest Price

$558 USD

Highest Price

$7,437 USD

Average Price

$1,576 USD

Market Intelligence

Retailers Selling

Cross Retailer %

52.7%

Price Spread

118.8%

30-Day Price Trend

-13.0%

30-Day Supply Change

+50.8%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$945/ct

10th Percentile

$496

Median

$945

90th Percentile

$2,709

Score Distribution

265 diamonds scored across 4 quality tiers

Excellent

124 (46.8%)

Very Good

25 (9.4%)

Good

71 (26.8%)

Average

45 (17.0%)

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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