How much does a 1.00 to 1.49ct F I1 natural cushion diamond cost?

As of November 2026, 1.00 to 1.49ct F I1 natural cushion diamonds typically cost $2,279 NZD to $7,922 NZD, with a median price of $4,956 NZD. There are currently 50 diamonds matching this specification available across retailers.

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

About 18% of these diamonds are available at multiple retailers, with an average price spread of 46%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct F I1 Natural Cushion

Quick answer

As of November 2026, there are 50 natural cushion diamonds with F colour and I1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,279 NZD to $7,922 NZD, with a median of $4,956 NZD. At least 20 retailers stock this exact specification, and 18% of the stones appear at more than one of them, with an average price spread of 46%. Half of all listings fall between $2,568 NZD and $4,130 NZD per carat. Over the last 30 days the median price moved -4.3% and the number of listings moved +9.7%.

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

$1,741 NZD

Highest Price

$9,448 NZD

Average Price

$5,181 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

17.5%

Price Spread

46.3%

30-Day Price Trend

-4.3%

30-Day Supply Change

+9.7%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,901/ct

10th Percentile

$1,081

Median

$1,901

90th Percentile

$2,881

Score Distribution

215 diamonds scored across 4 quality tiers

Excellent

10 (4.7%)

Very Good

15 (7.0%)

Good

32 (14.9%)

Average

158 (73.5%)

Find Your Diamond

Search 50 F I1 cushion diamonds and compare prices.

Search Diamonds

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