How much does a 3.00 to 4.99ct H FL natural round diamond cost?

As of October 2026, 3.00 to 4.99ct H FL natural round diamonds typically cost $73,673 USD to $91,274 USD, with a median price of $82,360 USD. There are currently 3 diamonds matching this specification available across retailers.

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

About 50% of these diamonds are available at multiple retailers, with an average price spread of 24%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct H FL Natural Round

Quick answer

As of October 2026, there are 3 natural round diamonds with H color and FL clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $73,673 USD to $91,274 USD, with a median of $82,360 USD. At least 10 retailers stock this exact specification, and 50% of the stones appear at more than one of them, with an average price spread of 24%. Half of all listings fall between $20,533 USD and $25,610 USD per carat. Over the last 30 days the median price moved +0.0% and the number of listings moved -21.3%.

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 natural stones in the index: 2,248 USD per carat, +7.6% 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

$71,501 USD

Highest Price

$131,464 USD

Average Price

$82,454 USD

Market Intelligence

Retailers Selling

Cross Retailer %

50.0%

Price Spread

23.6%

30-Day Price Trend

+0.0%

30-Day Supply Change

-21.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$21,492/ct

10th Percentile

$20,070

Median

$21,492

90th Percentile

$26,730

Score Distribution

4 diamonds scored across 3 quality tiers

Excellent

1 (25.0%)

Very Good

1 (25.0%)

Good

2 (50.0%)

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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