How much does a 0.75 to 0.99ct I SI1 natural asscher diamond cost?

As of October 2026, 0.75 to 0.99ct I SI1 natural asscher diamonds typically cost $1,103 CAD to $2,803 CAD, with a median price of $1,730 CAD. There are currently 32 diamonds matching this specification available across retailers.

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

About 24% of these diamonds are available at multiple retailers, with an average price spread of 66%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct I SI1 Natural Asscher

Quick answer

As of October 2026, there are 32 natural asscher diamonds with I color and SI1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $1,103 CAD to $2,803 CAD, with a median of $1,730 CAD. At least 54 retailers stock this exact specification, and 24% of the stones appear at more than one of them, with an average price spread of 66%. Half of all listings fall between $1,571 CAD and $3,179 CAD per carat. Over the last 30 days the median price moved +1.4% and the number of listings moved +6.3%.

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. Asscher natural stones in the index: 2,504 USD per carat, -3.3% 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

$781 CAD

Highest Price

$5,173 CAD

Average Price

$1,915 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

23.8%

Price Spread

66.3%

30-Day Price Trend

+1.4%

30-Day Supply Change

+6.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,732/ct

10th Percentile

$931

Median

$1,732

90th Percentile

$3,019

Score Distribution

113 diamonds scored across 4 quality tiers

Excellent

14 (12.4%)

Very Good

25 (22.1%)

Good

21 (18.6%)

Average

53 (46.9%)

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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