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

As of September 2026, 2.00 to 2.99ct D SI2 natural cushion diamonds typically cost $13,073 NZD to $37,217 NZD, with a median price of $22,289 NZD. There are currently 256 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct D SI2 Natural Cushion

Quick answer

As of September 2026, there are 256 natural cushion diamonds with D colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $13,073 NZD to $37,217 NZD, with a median of $22,289 NZD. At least 47 retailers stock this exact specification. Half of all listings fall between $7,760 NZD and $12,732 NZD per carat. The same specification in lab grown form lists at a median of about $1,057 NZD per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Cushion natural stones in the index: 2,792 USD per carat, +1.1% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

256

Lowest Price

$9,043 NZD

Highest Price

$123,113 NZD

Average Price

$24,757 NZD

Market Intelligence

Retailers Selling

Price Spread

50.7%

Price Range

Price per carat distribution across retailers

$5,882/ct

10th Percentile

$3,568

Median

$5,882

90th Percentile

$9,624

Score Distribution

256 diamonds scored across 4 quality tiers

Excellent

56 (21.9%)

Very Good

91 (35.5%)

Good

72 (28.1%)

Average

37 (14.5%)

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Consider Instead

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

Lab-Grown D SI2Same 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