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

As of October 2026, 0.75 to 0.99ct H SI2 natural radiant diamonds typically cost $1,332 CAD to $3,620 CAD, with a median price of $2,252 CAD. There are currently 51 diamonds matching this specification available across retailers.

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

About 21% of these diamonds are available at multiple retailers, with an average price spread of 55%. 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 October 2026, there are 51 natural radiant diamonds with H color and SI2 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $1,332 CAD to $3,620 CAD, with a median of $2,252 CAD. At least 46 retailers stock this exact specification, and 21% of the stones appear at more than one of them, with an average price spread of 55%. Half of all listings fall between $1,853 CAD and $3,161 CAD per carat. The same specification in lab grown form lists at a median of about $587 CAD per carat. Over the last 30 days the median price moved +0.9% and the number of listings moved +10.8%.

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

$855 CAD

Highest Price

$7,539 CAD

Average Price

$2,369 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

21.5%

Price Spread

54.9%

30-Day Price Trend

+0.9%

30-Day Supply Change

+10.8%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,699/ct

10th Percentile

$1,084

Median

$1,699

90th Percentile

$3,052

Score Distribution

202 diamonds scored across 4 quality tiers

Excellent

21 (10.4%)

Very Good

26 (12.9%)

Good

33 (16.3%)

Average

122 (60.4%)

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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