How much does a 3.00 to 4.99ct D FL lab grown oval diamond cost?

As of October 2026, 3.00 to 4.99ct D FL lab grown oval diamonds typically cost $1,310 USD to $10,038 USD, with a median price of $3,342 USD. There are currently 2,589 diamonds matching this specification available across retailers.

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

About 43% of these diamonds are available at multiple retailers, with an average price spread of 99%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct D FL Lab Grown Oval

Quick answer

As of October 2026, there are 2,589 lab grown oval diamonds with D color and FL clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $1,310 USD to $10,038 USD, with a median of $3,342 USD. At least 42 retailers stock this exact specification, and 43% of the stones appear at more than one of them, with an average price spread of 99%. Half of all listings fall between $691 USD and $1,683 USD per carat. The same specification in natural form lists at a median of about $35,459 USD per carat. Over the last 30 days the median price moved -20.6% and the number of listings moved +8.1%.

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. 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

2,589

Lowest Price

$875 USD

Highest Price

$34,860 USD

Average Price

$4,956 USD

Market Intelligence

Retailers Selling

Cross Retailer %

43.1%

Price Spread

98.9%

30-Day Price Trend

-20.6%

30-Day Supply Change

+8.1%

Volatility (30d)

0.07

Price Range

Price per carat distribution across retailers

$1,003/ct

10th Percentile

$459

Median

$1,003

90th Percentile

$2,789

Score Distribution

6.4K diamonds scored across 5 quality tiers

Exceptional

95 (1.5%)

Excellent

2,509 (39.2%)

Very Good

958 (15.0%)

Good

2,415 (37.7%)

Average

424 (6.6%)

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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