How much does a 5.00ct+ G IF lab grown round diamond cost?

As of September 2026, 5.00ct+ G IF lab grown round diamonds typically cost €3,229 EUR to €11,945 EUR, with a median price of €5,842 EUR. There are currently 54 diamonds matching this specification available across retailers.

Where can I find the best price on a G IF round diamond?

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5.00ct+ G IF Lab Grown Round

Quick answer

As of September 2026, there are 54 lab grown round diamonds with G colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run €3,229 EUR to €11,945 EUR, with a median of €5,842 EUR. At least 30 retailers stock this exact specification. Half of all listings fall between €1,203 EUR and €3,026 EUR per carat. The same specification in natural form lists at a median of about €46,572 EUR per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Round lab grown stones in the index: 438 USD per carat, -14.1% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

€2,246 EUR

Highest Price

€67,038 EUR

Average Price

€7,988 EUR

Market Intelligence

Retailers Selling

Price Spread

99.4%

Price Range

Price per carat distribution across retailers

$2,000/ct

10th Percentile

$975

Median

$2,000

90th Percentile

$4,813

Score Distribution

54 diamonds scored across 4 quality tiers

Excellent

34 (63.0%)

Very Good

12 (22.2%)

Good

7 (13.0%)

Average

1 (1.9%)

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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