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

As of October 2026, 1.00 to 1.49ct D FL lab grown round diamonds typically cost $248 USD to $1,925 USD, with a median price of $510 USD. There are currently 2,898 diamonds matching this specification available across retailers.

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

About 60% of these diamonds are available at multiple retailers, with an average price spread of 100%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D FL Lab Grown Round

Quick answer

As of October 2026, there are 2,898 lab grown round diamonds with D color and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $248 USD to $1,925 USD, with a median of $510 USD. At least 43 retailers stock this exact specification, and 60% of the stones appear at more than one of them, with an average price spread of 100%. Half of all listings fall between $444 USD and $1,050 USD per carat. The same specification in natural form lists at a median of about $12,674 USD per carat. Over the last 30 days the median price moved -2.7% and the number of listings moved +22.1%.

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. Round lab grown stones in the index: 414 USD per carat, -5.0% 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

2,898

Lowest Price

$196 USD

Highest Price

$4,940 USD

Average Price

$743 USD

Market Intelligence

Retailers Selling

Cross Retailer %

59.8%

Price Spread

100.2%

30-Day Price Trend

-2.7%

30-Day Supply Change

+22.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$605/ct

10th Percentile

$272

Median

$605

90th Percentile

$1,475

Score Distribution

4.8K diamonds scored across 5 quality tiers

Exceptional

349 (7.3%)

Excellent

2,306 (48.2%)

Very Good

736 (15.4%)

Good

1,052 (22.0%)

Average

345 (7.2%)

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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