How much does a 0.75 to 0.99ct H SI2 natural radiant diamond cost?

As of November 2026, 0.75 to 0.99ct H SI2 natural radiant diamonds typically cost €869 EUR to €2,305 EUR, with a median price of €1,416 EUR. There are currently 54 diamonds matching this specification available across retailers.

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

About 23% of these diamonds are available at multiple retailers, with an average price spread of 53%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct H SI2 Natural Radiant

Quick answer

As of November 2026, there are 54 natural radiant diamonds with H color and SI2 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run €869 EUR to €2,305 EUR, with a median of €1,416 EUR. At least 47 retailers stock this exact specification, and 23% of the stones appear at more than one of them, with an average price spread of 53%. Half of all listings fall between €1,181 EUR and €1,981 EUR per carat. The same specification in lab grown form lists at a median of about €410 EUR per carat. Over the last 30 days the median price moved +1.4% and the number of listings moved +10.0%.

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

€545 EUR

Highest Price

€4,804 EUR

Average Price

€1,507 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

22.5%

Price Spread

53.5%

30-Day Price Trend

+1.4%

30-Day Supply Change

+10.0%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,672/ct

10th Percentile

$1,086

Median

$1,672

90th Percentile

$3,006

Score Distribution

192 diamonds scored across 4 quality tiers

Excellent

19 (9.9%)

Very Good

25 (13.0%)

Good

30 (15.6%)

Average

118 (61.5%)

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Consider Instead

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

H I1I1 inclusions are not visible without magnification

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Lab-Grown H 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