How much does a 1.00 to 1.49ct J SI2 natural asscher diamond cost?

As of September 2026, 1.00 to 1.49ct J SI2 natural asscher diamonds typically cost $2,120 CAD to $4,987 CAD, with a median price of $3,267 CAD. There are currently 134 diamonds matching this specification available across retailers.

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1.00 to 1.49ct J SI2 Natural Asscher

Quick answer

As of September 2026, there are 134 natural asscher diamonds with J color and SI2 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,120 CAD to $4,987 CAD, with a median of $3,267 CAD. At least 32 retailers stock this exact specification. Half of all listings fall between $2,152 CAD and $3,151 CAD per carat. The same specification in lab grown form lists at a median of about $1,396 CAD per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Asscher natural stones in the index: 2,601 USD per carat, +11.1% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

134

Lowest Price

$1,189 CAD

Highest Price

$5,951 CAD

Average Price

$3,453 CAD

Market Intelligence

Retailers Selling

Price Spread

40.6%

Price Range

Price per carat distribution across retailers

$1,773/ct

10th Percentile

$1,206

Median

$1,773

90th Percentile

$2,741

Score Distribution

134 diamonds scored across 4 quality tiers

Excellent

4 (3.0%)

Very Good

15 (11.2%)

Good

17 (12.7%)

Average

98 (73.1%)

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Consider Instead

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

Lab-Grown J SI2Same specifications, lab-grown origin

Save 43%

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