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

As of October 2026, 1.00 to 1.49ct E FL lab grown heart diamonds typically cost $272 USD to $1,898 USD, with a median price of $342 USD. There are currently 39 diamonds matching this specification available across retailers.

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

About 65% of these diamonds are available at multiple retailers, with an average price spread of 135%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct E FL Lab Grown Heart

Quick answer

As of October 2026, there are 39 lab grown heart diamonds with E color and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $272 USD to $1,898 USD, with a median of $342 USD. At least 31 retailers stock this exact specification, and 65% of the stones appear at more than one of them, with an average price spread of 135%. Half of all listings fall between $464 USD and $1,328 USD per carat. The same specification in natural form lists at a median of about $6,980 USD per carat. Over the last 30 days the median price moved -10.3% and the number of listings moved +66.8%.

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

Lowest Price

$235 USD

Highest Price

$3,340 USD

Average Price

$660 USD

Market Intelligence

Retailers Selling

Cross Retailer %

64.9%

Price Spread

135.0%

30-Day Price Trend

-10.3%

30-Day Supply Change

+66.8%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$640/ct

10th Percentile

$371

Median

$640

90th Percentile

$1,656

Score Distribution

67 diamonds scored across 4 quality tiers

Excellent

42 (62.7%)

Very Good

7 (10.4%)

Good

4 (6.0%)

Average

14 (20.9%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

F FLF colour is visually identical to E to the naked eye

Save 7%

E IFIF inclusions are not visible without magnification

Save 12%

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