How much does a 2.00 to 2.99ct K SI2 natural cushion diamond cost?

As of November 6, 2026, 2.00 to 2.99ct K SI2 natural cushion diamonds typically cost $5,217 CAD to $15,864 CAD, with a median price of $8,753 CAD. There are currently 222 diamonds matching this specification available across retailers.

Where can I find the best price on a K SI2 cushion diamond?

About 44% of these diamonds are available at multiple retailers, with an average price spread of 54%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct K SI2 Natural Cushion

Quick answer

As of November 6, 2026, there are 222 natural cushion diamonds with K color and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $5,217 CAD to $15,864 CAD, with a median of $8,753 CAD. Half of all listings fall between $3,209 CAD and $5,381 CAD per carat. The same specification in lab grown form lists at a median of about $3,894 CAD per carat. Over the last 30 days the median price moved -1.7% and the number of listings moved +7.8%.

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

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Cushion natural stones in the index: 2,881 USD per carat, -2.5% month on month. See the full index release

Figures come from current listings across more than 125 retailers. The index is a monthly release.

Last updated: November 6, 2026

Available

222

Lowest Price

$3,853 CAD

Highest Price

$28,094 CAD

Average Price

$9,821 CAD

Market Intelligence

Cross Retailer %

44.1%

Price Spread

53.7%

30-Day Price Trend

-1.7%

30-Day Supply Change

+7.8%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,874/ct

10th Percentile

$1,843

Median

$2,874

90th Percentile

$5,024

Score Distribution

222 diamonds scored across 4 quality tiers

Excellent

55 (24.8%)

Very Good

62 (27.9%)

Good

50 (22.5%)

Average

55 (24.8%)

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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