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

As of October 2026, 1.50 to 1.99ct J IF natural princess diamonds typically cost $5,251 AUD to $10,124 AUD, with a median price of $6,532 AUD. There are currently 29 diamonds matching this specification available across retailers.

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

About 43% of these diamonds are available at multiple retailers, with an average price spread of 45%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct J IF Natural Princess

Quick answer

As of October 2026, there are 29 natural princess diamonds with J colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $5,251 AUD to $10,124 AUD, with a median of $6,532 AUD. At least 39 retailers stock this exact specification, and 43% of the stones appear at more than one of them, with an average price spread of 45%. Half of all listings fall between $4,018 AUD and $6,161 AUD per carat. Over the last 30 days the median price moved +3.8% and the number of listings moved +19.3%.

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. Princess natural stones in the index: 2,158 USD per carat, +5.7% 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: October 2026

Available

Lowest Price

$4,236 AUD

Highest Price

$23,270 AUD

Average Price

$7,327 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

43.4%

Price Spread

44.6%

30-Day Price Trend

+3.8%

30-Day Supply Change

+19.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$3,378/ct

10th Percentile

$2,441

Median

$3,378

90th Percentile

$5,086

Score Distribution

59 diamonds scored across 4 quality tiers

Excellent

19 (32.2%)

Very Good

16 (27.1%)

Good

14 (23.7%)

Average

10 (16.9%)

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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