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

As of October 2026, 2.00 to 2.99ct F SI2 natural cushion diamonds typically cost $9,685 AUD to $38,460 AUD, with a median price of $18,122 AUD. There are currently 164 diamonds matching this specification available across retailers.

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

About 36% of these diamonds are available at multiple retailers, with an average price spread of 57%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct F SI2 Natural Cushion

Quick answer

As of October 2026, there are 164 natural cushion diamonds with F colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $9,685 AUD to $38,460 AUD, with a median of $18,122 AUD. At least 52 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 57%. Half of all listings fall between $5,547 AUD and $9,812 AUD per carat. The same specification in lab grown form lists at a median of about $574 AUD per carat. Over the last 30 days the median price moved +0.3% and the number of listings moved +10.2%.

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

164

Lowest Price

$6,086 AUD

Highest Price

$94,696 AUD

Average Price

$23,087 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

36.0%

Price Spread

57.5%

30-Day Price Trend

+0.3%

30-Day Supply Change

+10.2%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$5,214/ct

10th Percentile

$3,013

Median

$5,214

90th Percentile

$8,454

Score Distribution

416 diamonds scored across 4 quality tiers

Excellent

98 (23.6%)

Very Good

100 (24.0%)

Good

62 (14.9%)

Average

156 (37.5%)

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Consider Instead

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

Lab-Grown F SI2Same specifications, lab-grown origin

Save 91%

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