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 $5,907 USD to $19,054 USD, with a median price of $10,673 USD. There are currently 273 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 273 natural cushion diamonds with J color and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $5,907 USD to $19,054 USD, with a median of $10,673 USD. At least 56 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 $3,107 USD and $5,372 USD per carat. The same specification in lab grown form lists at a median of about $1,364 USD per carat. Over the last 30 days the median price moved -1.1% 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

273

Lowest Price

$3,264 USD

Highest Price

$41,070 USD

Average Price

$11,747 USD

Market Intelligence

Retailers Selling

Cross Retailer %

35.1%

Price Spread

54.7%

30-Day Price Trend

-1.1%

30-Day Supply Change

+9.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$4,138/ct

10th Percentile

$2,383

Median

$4,138

90th Percentile

$6,406

Score Distribution

706 diamonds scored across 4 quality tiers

Excellent

68 (9.6%)

Very Good

142 (20.1%)

Good

150 (21.2%)

Average

346 (49.0%)

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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