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

As of October 2026, 2.00 to 2.99ct F SI1 natural cushion diamonds typically cost $17,272 NZD to $50,375 NZD, with a median price of $30,429 NZD. There are currently 283 diamonds matching this specification available across retailers.

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

About 33% of these diamonds are available at multiple retailers, with an average price spread of 44%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct F SI1 Natural Cushion

Quick answer

As of October 2026, there are 283 natural cushion diamonds with F colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $17,272 NZD to $50,375 NZD, with a median of $30,429 NZD. At least 56 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 44%. Half of all listings fall between $10,193 NZD and $15,974 NZD per carat. The same specification in lab grown form lists at a median of about $821 NZD 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

283

Lowest Price

$10,333 NZD

Highest Price

$118,025 NZD

Average Price

$33,518 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

33.4%

Price Spread

44.4%

30-Day Price Trend

+0.3%

30-Day Supply Change

+10.2%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$7,345/ct

10th Percentile

$4,659

Median

$7,345

90th Percentile

$10,448

Score Distribution

693 diamonds scored across 4 quality tiers

Excellent

94 (13.6%)

Very Good

166 (24.0%)

Good

138 (19.9%)

Average

295 (42.6%)

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Consider Instead

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

F SI2SI2 inclusions are not visible without magnification

Save 29%

Lab-Grown F SI1Same specifications, lab-grown origin

Save 93%

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