How much does a 0.50 to 0.74ct G SI2 natural cushion diamond cost?

As of October 2026, 0.50 to 0.74ct G SI2 natural cushion diamonds typically cost $540 SGD to $1,967 SGD, with a median price of $884 SGD. There are currently 122 diamonds matching this specification available across retailers.

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

About 28% of these diamonds are available at multiple retailers, with an average price spread of 78%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct G SI2 Natural Cushion

Quick answer

As of October 2026, there are 122 natural cushion diamonds with G colour and SI2 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $540 SGD to $1,967 SGD, with a median of $884 SGD. At least 44 retailers stock this exact specification, and 28% of the stones appear at more than one of them, with an average price spread of 78%. Half of all listings fall between $1,114 SGD and $2,235 SGD per carat. The same specification in lab grown form lists at a median of about $1,042 SGD per carat. Over the last 30 days the median price moved -1.0% and the number of listings moved -0.8%.

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

122

Lowest Price

$374 SGD

Highest Price

$4,365 SGD

Average Price

$1,081 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

28.1%

Price Spread

77.7%

30-Day Price Trend

-1.0%

30-Day Supply Change

-0.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,125/ct

10th Percentile

$677

Median

$1,125

90th Percentile

$2,357

Score Distribution

314 diamonds scored across 4 quality tiers

Excellent

35 (11.1%)

Very Good

50 (15.9%)

Good

126 (40.1%)

Average

103 (32.8%)

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Consider Instead

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G I1I1 inclusions are not visible without magnification

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Lab-Grown G 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