How much does a 3.00 - 4.99ct G I1 natural cushion diamond cost?

As of April 2026, 3.00 - 4.99ct G I1 natural cushion diamonds are available from $294 AUD to $300,206 AUD, with an average price of $10,141 AUD. There are currently 174 diamonds matching this specification available across retailers.

Where can I find the best price on a G I1 cushion diamond?

About 28% of these diamonds are available at multiple retailers, with an average price spread of 80%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 - 4.99ct G I1 Natural Cushion

As of April 2026, there are 174 natural cushion diamonds with G color and I1 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from $294 AUD to $300,206 AUD, with an average of $10,141 AUD.

Last updated: April 2026

Available

174

Lowest Price

$294 AUD

Highest Price

$300,206 AUD

Average Price

$10,141 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

27.8%

Price Spread

80.3%

30-Day Price Trend

-34.9%

30-Day Supply Change

-76.7%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$8,062/ct

10th Percentile

$5,461

Median

$8,062

90th Percentile

$15,561

Score Distribution

174 diamonds scored across 4 quality tiers

Excellent

5 (2.9%)

Very Good

55 (31.6%)

Good

45 (25.9%)

Average

69 (39.7%)

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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