How much does a 0.75 to 0.99ct G I1 natural cushion diamond cost?

As of November 2026, 0.75 to 0.99ct G I1 natural cushion diamonds typically cost $1,399 NZD to $2,630 NZD, with a median price of $1,888 NZD. There are currently 26 diamonds matching this specification available across retailers.

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

About 12% of these diamonds are available at multiple retailers, with an average price spread of 28%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct G I1 Natural Cushion

Quick answer

As of November 2026, there are 26 natural cushion diamonds with G colour and I1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $1,399 NZD to $2,630 NZD, with a median of $1,888 NZD. At least 19 retailers stock this exact specification, and 12% of the stones appear at more than one of them, with an average price spread of 28%. Half of all listings fall between $1,970 NZD and $2,597 NZD per carat. Over the last 30 days the median price moved -0.5% and the number of listings moved +2.7%.

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

$1,047 NZD

Highest Price

$4,040 NZD

Average Price

$1,983 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

11.9%

Price Spread

27.7%

30-Day Price Trend

-0.5%

30-Day Supply Change

+2.7%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,275/ct

10th Percentile

$989

Median

$1,275

90th Percentile

$1,709

Score Distribution

87 diamonds scored across 4 quality tiers

Excellent

2 (2.3%)

Very Good

11 (12.6%)

Good

12 (13.8%)

Average

62 (71.3%)

Find Your Diamond

Search 26 G I1 cushion diamonds and compare prices.

Search Diamonds

Consider Instead

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

H I1H colour is visually identical to G to the naked eye

Save 15%

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