How much does a 2.00 to 2.99ct J SI1 natural cushion diamond cost?

As of October 2026, 2.00 to 2.99ct J SI1 natural cushion diamonds typically cost $8,270 CAD to $26,668 CAD, with a median price of $14,942 CAD. There are currently 290 diamonds matching this specification available across retailers.

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

About 35% 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.

2.00 to 2.99ct J SI1 Natural Cushion

Quick answer

As of October 2026, there are 290 natural cushion diamonds with J color and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $8,270 CAD to $26,668 CAD, with a median of $14,942 CAD. At least 55 retailers stock this exact specification, and 35% of the stones appear at more than one of them, with an average price spread of 55%. Half of all listings fall between $4,351 CAD and $7,543 CAD per carat. The same specification in lab grown form lists at a median of about $1,929 CAD per carat. Over the last 30 days the median price moved -1.2% and the number of listings moved +9.3%.

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. Cushion natural stones in the index: 2,948 USD per carat, +1.7% 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

290

Lowest Price

$4,532 CAD

Highest Price

$57,482 CAD

Average Price

$16,446 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

34.6%

Price Spread

55.0%

30-Day Price Trend

-1.2%

30-Day Supply Change

+9.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$4,145/ct

10th Percentile

$2,389

Median

$4,145

90th Percentile

$6,416

Score Distribution

784 diamonds scored across 4 quality tiers

Excellent

73 (9.3%)

Very Good

154 (19.6%)

Good

186 (23.7%)

Average

371 (47.3%)

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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

Save 15%

Lab-Grown J SI1Same specifications, lab-grown origin

Save 67%

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