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

As of October 2026, 1.00 to 1.49ct D FL lab grown heart diamonds typically cost $373 SGD to $1,659 SGD, with a median price of $571 SGD. There are currently 178 diamonds matching this specification available across retailers.

Where can I find the best price on a D 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 D FL Lab Grown Heart

Quick answer

As of October 2026, there are 178 lab grown heart diamonds with D colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $373 SGD to $1,659 SGD, with a median of $571 SGD. At least 30 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 $583 SGD and $1,680 SGD per carat. The same specification in natural form lists at a median of about $8,754 SGD per carat. Over the last 30 days the median price moved -9.6% and the number of listings moved +56.6%.

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

178

Lowest Price

$323 SGD

Highest Price

$5,638 SGD

Average Price

$894 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

64.9%

Price Spread

134.9%

30-Day Price Trend

-9.6%

30-Day Supply Change

+56.6%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$636/ct

10th Percentile

$364

Median

$636

90th Percentile

$1,664

Score Distribution

396 diamonds scored across 5 quality tiers

Exceptional

6 (1.5%)

Excellent

205 (51.8%)

Very Good

42 (10.6%)

Good

113 (28.5%)

Average

30 (7.6%)

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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