How much does a 1.50 to 1.99ct G IF natural cushion diamond cost?

As of November 2026, 1.50 to 1.99ct G IF natural cushion diamonds typically cost $12,005 NZD to $34,150 NZD, with a median price of $17,956 NZD. There are currently 15 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 44%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct G IF Natural Cushion

Quick answer

As of November 2026, there are 15 natural cushion diamonds with G colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $12,005 NZD to $34,150 NZD, with a median of $17,956 NZD. At least 48 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 44%. Half of all listings fall between $10,395 NZD and $16,062 NZD per carat. The same specification in lab grown form lists at a median of about $1,956 NZD per carat. Over the last 30 days the median price moved -1.9% and the number of listings moved +3.9%.

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: November 2026

Available

Lowest Price

$7,700 NZD

Highest Price

$38,893 NZD

Average Price

$19,997 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

31.6%

Price Spread

43.5%

30-Day Price Trend

-1.9%

30-Day Supply Change

+3.9%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$7,333/ct

10th Percentile

$4,565

Median

$7,333

90th Percentile

$11,189

Score Distribution

39 diamonds scored across 5 quality tiers

Exceptional

1 (2.6%)

Excellent

13 (33.3%)

Very Good

6 (15.4%)

Good

10 (25.6%)

Average

9 (23.1%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

H IFH colour is visually identical to G to the naked eye

Save 43%

G VVS1VVS1 inclusions are not visible without magnification

Save 7%

Lab-Grown G IFSame specifications, lab-grown origin

Save 85%

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