How much does a 3.00 to 4.99ct G IF natural cushion diamond cost?

As of November 2026, 3.00 to 4.99ct G IF natural cushion diamonds typically cost $66,187 NZD to $119,879 NZD, with a median price of $102,657 NZD. There are currently 6 diamonds matching this specification available across retailers.

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

About 24% of these diamonds are available at multiple retailers, with an average price spread of 47%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct G IF Natural Cushion

Quick answer

As of November 2026, there are 6 natural cushion diamonds with G colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $66,187 NZD to $119,879 NZD, with a median of $102,657 NZD. At least 29 retailers stock this exact specification, and 24% of the stones appear at more than one of them, with an average price spread of 47%. Half of all listings fall between $23,837 NZD and $37,199 NZD per carat. The same specification in lab grown form lists at a median of about $2,289 NZD per carat. Over the last 30 days the median price moved +4.5% and the number of listings moved -3.3%.

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

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Cushion natural stones in the index: 2,881 USD per carat, -2.5% 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: November 2026

Available

Lowest Price

$65,913 NZD

Highest Price

$191,856 NZD

Average Price

$102,974 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

24.1%

Price Spread

46.8%

30-Day Price Trend

+4.5%

30-Day Supply Change

-3.3%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$16,058/ct

10th Percentile

$12,497

Median

$16,058

90th Percentile

$26,908

Score Distribution

11 diamonds scored across 4 quality tiers

Excellent

1 (9.1%)

Very Good

2 (18.2%)

Good

6 (54.5%)

Average

2 (18.2%)

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Lab-Grown G IFSame 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