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

As of October 2026, 2.00 to 2.99ct G SI2 natural cushion diamonds typically cost $7,635 SGD to $28,705 SGD, with a median price of $16,155 SGD. There are currently 229 diamonds matching this specification available across retailers.

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

About 36% of these diamonds are available at multiple retailers, with an average price spread of 58%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct G SI2 Natural Cushion

Quick answer

As of October 2026, there are 229 natural cushion diamonds with G colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $7,635 SGD to $28,705 SGD, with a median of $16,155 SGD. At least 53 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 58%. Half of all listings fall between $4,982 SGD and $8,843 SGD per carat. The same specification in lab grown form lists at a median of about $502 SGD per carat. Over the last 30 days the median price moved -0.1% and the number of listings moved +11.0%.

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

229

Lowest Price

$3,228 SGD

Highest Price

$68,913 SGD

Average Price

$18,212 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

35.8%

Price Spread

57.9%

30-Day Price Trend

-0.1%

30-Day Supply Change

+11.0%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$5,204/ct

10th Percentile

$2,998

Median

$5,204

90th Percentile

$8,479

Score Distribution

655 diamonds scored across 4 quality tiers

Excellent

137 (20.9%)

Very Good

148 (22.6%)

Good

143 (21.8%)

Average

227 (34.7%)

Find Your Diamond

Search 229 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 9%

Lab-Grown G 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