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

As of October 2026, 1.00 to 1.49ct D FL lab grown oval diamonds typically cost $217 USD to $1,865 USD, with a median price of $510 USD. There are currently 2,018 diamonds matching this specification available across retailers.

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

About 52% of these diamonds are available at multiple retailers, with an average price spread of 111%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D FL Lab Grown Oval

Quick answer

As of October 2026, there are 2,018 lab grown oval diamonds with D color and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $217 USD to $1,865 USD, with a median of $510 USD. At least 40 retailers stock this exact specification, and 52% of the stones appear at more than one of them, with an average price spread of 111%. Half of all listings fall between $400 USD and $1,106 USD per carat. The same specification in natural form lists at a median of about $9,351 USD per carat. Over the last 30 days the median price moved -3.6% and the number of listings moved +16.4%.

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. Oval lab grown stones in the index: 453 USD per carat, -7.4% 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

2,018

Lowest Price

$179 USD

Highest Price

$4,110 USD

Average Price

$750 USD

Market Intelligence

Retailers Selling

Cross Retailer %

51.7%

Price Spread

110.8%

30-Day Price Trend

-3.6%

30-Day Supply Change

+16.4%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$636/ct

10th Percentile

$249

Median

$636

90th Percentile

$1,807

Score Distribution

4.3K diamonds scored across 5 quality tiers

Exceptional

178 (4.1%)

Excellent

1,816 (42.3%)

Very Good

564 (13.1%)

Good

1,274 (29.7%)

Average

462 (10.8%)

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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