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

As of October 2026, 3.00 to 4.99ct G FL lab grown oval diamonds typically cost €11,009 EUR to €12,386 EUR, with a median price of €11,697 EUR. There are currently 1 diamonds matching this specification available across retailers.

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

About 58% of these diamonds are available at multiple retailers, with an average price spread of 130%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct G FL Lab Grown Oval

Quick answer

As of October 2026, there are 1 lab grown oval diamonds with G color and FL clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run €11,009 EUR to €12,386 EUR, with a median of €11,697 EUR. At least 33 retailers stock this exact specification, and 58% of the stones appear at more than one of them, with an average price spread of 130%. Half of all listings fall between €760 EUR and €2,220 EUR per carat. The same specification in natural form lists at a median of about €18,270 EUR per carat. Over the last 30 days the median price moved -6.0% and the number of listings moved +18.9%.

Three of the best scored stones at this specification right now:

3.92ct Oval G FL, GIA, grade B, from €12,558 EUR

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

Lowest Price

€10,837 EUR

Highest Price

€13,004 EUR

Average Price

€11,697 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

58.3%

Price Spread

129.9%

30-Day Price Trend

-6.0%

30-Day Supply Change

+18.9%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,256/ct

10th Percentile

$732

Median

$1,256

90th Percentile

$3,578

Score Distribution

2 diamonds scored across 1 quality tiers

Good

2 (100.0%)

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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