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

As of November 2026, 1.50 to 1.99ct J IF natural cushion diamonds typically cost $5,160 NZD to $12,179 NZD, with a median price of $7,311 NZD. There are currently 28 diamonds matching this specification available across retailers.

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

About 30% of these diamonds are available at multiple retailers, with an average price spread of 48%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct J IF Natural Cushion

Quick answer

As of November 2026, there are 28 natural cushion diamonds with J colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $5,160 NZD to $12,179 NZD, with a median of $7,311 NZD. At least 43 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 48%. Half of all listings fall between $3,961 NZD and $6,249 NZD per carat. Over the last 30 days the median price moved +0.4% and the number of listings moved +6.9%.

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

$4,764 NZD

Highest Price

$18,784 NZD

Average Price

$7,970 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

30.3%

Price Spread

47.9%

30-Day Price Trend

+0.4%

30-Day Supply Change

+6.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,691/ct

10th Percentile

$1,991

Median

$2,691

90th Percentile

$4,566

Score Distribution

84 diamonds scored across 4 quality tiers

Excellent

15 (17.9%)

Very Good

17 (20.2%)

Good

29 (34.5%)

Average

23 (27.4%)

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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