How much does a 3.00 to 4.99ct J SI1 natural asscher diamond cost?

As of October 2026, 3.00 to 4.99ct J SI1 natural asscher diamonds typically cost $21,101 CAD to $81,252 CAD, with a median price of $38,933 CAD. There are currently 11 diamonds matching this specification available across retailers.

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

About 55% of these diamonds are available at multiple retailers, with an average price spread of 40%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct J SI1 Natural Asscher

Quick answer

As of October 2026, there are 11 natural asscher diamonds with J color and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $21,101 CAD to $81,252 CAD, with a median of $38,933 CAD. At least 29 retailers stock this exact specification, and 55% of the stones appear at more than one of them, with an average price spread of 40%. Half of all listings fall between $8,192 CAD and $12,537 CAD per carat. The same specification in lab grown form lists at a median of about $2,161 CAD per carat. Over the last 30 days the median price moved -8.2% and the number of listings moved +14.7%.

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

$19,332 CAD

Highest Price

$125,486 CAD

Average Price

$46,697 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

54.5%

Price Spread

39.5%

30-Day Price Trend

-8.2%

30-Day Supply Change

+14.7%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$7,869/ct

10th Percentile

$5,131

Median

$7,869

90th Percentile

$9,708

Score Distribution

15 diamonds scored across 4 quality tiers

Excellent

2 (13.3%)

Very Good

3 (20.0%)

Good

7 (46.7%)

Average

3 (20.0%)

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Consider Instead

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

J SI2SI2 inclusions are not visible without magnification

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Lab-Grown J SI1Same 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