How much does a 0.75 to 0.99ct J IF natural radiant diamond cost?

As of October 2026, 0.75 to 0.99ct J IF natural radiant diamonds typically cost $1,858 NZD to $5,165 NZD, with a median price of $2,499 NZD. There are currently 8 diamonds matching this specification available across retailers.

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

About 37% 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.

0.75 to 0.99ct J IF Natural Radiant

Quick answer

As of October 2026, there are 8 natural radiant diamonds with J colour and IF clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $1,858 NZD to $5,165 NZD, with a median of $2,499 NZD. At least 37 retailers stock this exact specification, and 37% of the stones appear at more than one of them, with an average price spread of 44%. Half of all listings fall between $2,715 NZD and $4,207 NZD per carat. Over the last 30 days the median price moved +1.3% and the number of listings moved -0.8%.

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. Radiant natural stones in the index: 3,091 USD per carat, +13.2% 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

$1,522 NZD

Highest Price

$7,133 NZD

Average Price

$2,995 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

37.1%

Price Spread

44.0%

30-Day Price Trend

+1.3%

30-Day Supply Change

-0.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,911/ct

10th Percentile

$1,331

Median

$1,911

90th Percentile

$3,116

Score Distribution

25 diamonds scored across 4 quality tiers

Excellent

5 (20.0%)

Very Good

8 (32.0%)

Good

5 (20.0%)

Average

7 (28.0%)

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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