How much does a 1.00 to 1.49ct G IF lab grown round diamond cost?

As of September 2026, 1.00 to 1.49ct G IF lab grown round diamonds typically cost €193 EUR to €6,590 EUR, with a median price of €565 EUR. There are currently 197 diamonds matching this specification available across retailers.

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1.00 to 1.49ct G IF Lab Grown Round

Quick answer

As of September 2026, there are 197 lab grown round diamonds with G colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €193 EUR to €6,590 EUR, with a median of €565 EUR. At least 41 retailers stock this exact specification. Half of all listings fall between €324 EUR and €721 EUR per carat. The same specification in natural form lists at a median of about €6,143 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

197

Lowest Price

€135 EUR

Highest Price

€18,628 EUR

Average Price

€2,050 EUR

Market Intelligence

Retailers Selling

Price Spread

90.1%

Price Range

Price per carat distribution across retailers

$508/ct

10th Percentile

$255

Median

$508

90th Percentile

$1,418

Score Distribution

197 diamonds scored across 4 quality tiers

Excellent

74 (37.6%)

Very Good

18 (9.1%)

Good

45 (22.8%)

Average

60 (30.5%)

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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