How much does a 0.20 to 0.49ct G IF natural cushion diamond cost?

As of October 2026, 0.20 to 0.49ct G IF natural cushion diamonds typically cost $662 NZD to $1,906 NZD, with a median price of $930 NZD. There are currently 59 diamonds matching this specification available across retailers.

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

About 35% of these diamonds are available at multiple retailers, with an average price spread of 21%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct G IF Natural Cushion

Quick answer

As of October 2026, there are 59 natural cushion diamonds with G colour and IF clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $662 NZD to $1,906 NZD, with a median of $930 NZD. At least 7 retailers stock this exact specification, and 35% of the stones appear at more than one of them, with an average price spread of 21%. Half of all listings fall between $3,483 NZD and $4,288 NZD per carat.

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

Lowest Price

$524 NZD

Highest Price

$3,689 NZD

Average Price

$1,163 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

35.3%

Price Spread

21.5%

Price Range

Price per carat distribution across retailers

$2,104/ct

10th Percentile

$1,514

Median

$2,104

90th Percentile

$2,828

Score Distribution

164 diamonds scored across 5 quality tiers

Exceptional

3 (1.8%)

Excellent

46 (28.0%)

Very Good

30 (18.3%)

Good

60 (36.6%)

Average

25 (15.2%)

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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