How much does a 2.00 to 2.99ct D SI2 natural radiant diamond cost?

As of October 2026, 2.00 to 2.99ct D SI2 natural radiant diamonds typically cost €8,928 EUR to €36,583 EUR, with a median price of €17,197 EUR. There are currently 44 diamonds matching this specification available across retailers.

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

About 35% of these diamonds are available at multiple retailers, with an average price spread of 44%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct D SI2 Natural Radiant

Quick answer

As of October 2026, there are 44 natural radiant diamonds with D colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run €8,928 EUR to €36,583 EUR, with a median of €17,197 EUR. At least 51 retailers stock this exact specification, and 35% of the stones appear at more than one of them, with an average price spread of 44%. Half of all listings fall between €4,680 EUR and €7,289 EUR per carat. The same specification in lab grown form lists at a median of about €617 EUR per carat. Over the last 30 days the median price moved -0.5% and the number of listings moved +15.3%.

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: October 2026

Available

Lowest Price

€5,393 EUR

Highest Price

€50,927 EUR

Average Price

€19,536 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

34.9%

Price Spread

44.4%

30-Day Price Trend

-0.5%

30-Day Supply Change

+15.3%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$6,561/ct

10th Percentile

$4,272

Median

$6,561

90th Percentile

$9,517

Score Distribution

160 diamonds scored across 4 quality tiers

Excellent

36 (22.5%)

Very Good

34 (21.3%)

Good

11 (6.9%)

Average

79 (49.4%)

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Consider Instead

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

Lab-Grown D SI2Same specifications, lab-grown origin

Save 94%

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