How much does a 2.00 to 2.99ct G SI1 lab grown radiant diamond cost?

As of September 2026, 2.00 to 2.99ct G SI1 lab grown radiant diamonds typically cost €511 EUR to €4,493 EUR, with a median price of €1,678 EUR. There are currently 134 diamonds matching this specification available across retailers.

Where can I find the best price on a G SI1 radiant diamond?

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2.00 to 2.99ct G SI1 Lab Grown Radiant

Quick answer

As of September 2026, there are 134 lab grown radiant diamonds with G colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run €511 EUR to €4,493 EUR, with a median of €1,678 EUR. At least 25 retailers stock this exact specification. Half of all listings fall between €371 EUR and €2,176 EUR per carat. The same specification in natural form lists at a median of about €8,593 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. Radiant lab grown stones in the index: 473 USD per carat, -12.5% 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

134

Lowest Price

€219 EUR

Highest Price

€16,657 EUR

Average Price

€2,190 EUR

Market Intelligence

Retailers Selling

Price Spread

176.2%

Price Range

Price per carat distribution across retailers

$1,182/ct

10th Percentile

$291

Median

$1,182

90th Percentile

$2,908

Score Distribution

134 diamonds scored across 4 quality tiers

Excellent

10 (7.5%)

Very Good

63 (47.0%)

Good

27 (20.1%)

Average

34 (25.4%)

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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