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

As of September 2026, 2.00 to 2.99ct G SI2 natural cushion diamonds typically cost $5,954 USD to $18,984 USD, with a median price of $11,382 USD. There are currently 505 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

2.00 to 2.99ct G SI2 Natural Cushion

Quick answer

As of September 2026, there are 505 natural cushion diamonds with G color and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $5,954 USD to $18,984 USD, with a median of $11,382 USD. At least 47 retailers stock this exact specification. Half of all listings fall between $4,128 USD and $7,121 USD per carat. The same specification in lab grown form lists at a median of about $849 USD 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

505

Lowest Price

$2,940 USD

Highest Price

$53,750 USD

Average Price

$12,166 USD

Market Intelligence

Retailers Selling

Price Spread

54.0%

Price Range

Price per carat distribution across retailers

$5,539/ct

10th Percentile

$3,173

Median

$5,539

90th Percentile

$8,716

Score Distribution

505 diamonds scored across 4 quality tiers

Excellent

89 (17.6%)

Very Good

175 (34.7%)

Good

131 (25.9%)

Average

110 (21.8%)

Find Your Diamond

Search 505 G SI2 cushion diamonds and compare prices.

Search Diamonds

Consider Instead

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

H SI2H colour is visually identical to G to the naked eye

Save 10%

Lab-Grown G SI2Same specifications, lab-grown origin

Save 87%

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