How much does a 3.00 to 4.99ct G SI2 natural radiant diamond cost?

As of November 2026, 3.00 to 4.99ct G SI2 natural radiant diamonds typically cost €22,771 EUR to €88,546 EUR, with a median price of €38,555 EUR. There are currently 44 diamonds matching this specification available across retailers.

Where can I find the best price on a G SI2 radiant diamond?

About 25% of these diamonds are available at multiple retailers, with an average price spread of 31%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct G SI2 Natural Radiant

Quick answer

As of November 2026, there are 44 natural radiant diamonds with G color and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run €22,771 EUR to €88,546 EUR, with a median of €38,555 EUR. At least 44 retailers stock this exact specification, and 25% of the stones appear at more than one of them, with an average price spread of 31%. Half of all listings fall between €8,295 EUR and €11,392 EUR per carat. The same specification in lab grown form lists at a median of about €414 EUR per carat. Over the last 30 days the median price moved -0.5% and the number of listings moved +10.5%.

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. Radiant natural stones in the index: 3,091 USD per carat, +13.2% 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: November 2026

Available

Lowest Price

€12,307 EUR

Highest Price

€127,448 EUR

Average Price

€43,914 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

25.2%

Price Spread

31.2%

30-Day Price Trend

-0.5%

30-Day Supply Change

+10.5%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$11,095/ct

10th Percentile

$6,842

Median

$11,095

90th Percentile

$14,205

Score Distribution

176 diamonds scored across 4 quality tiers

Excellent

28 (15.9%)

Very Good

21 (11.9%)

Good

16 (9.1%)

Average

111 (63.1%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

H SI2H colour is visually identical to G to the naked eye

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Lab-Grown G SI2Same specifications, lab-grown origin

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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