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

As of October 2026, 0.75 to 0.99ct J IF natural princess diamonds typically cost £628 GBP to £1,422 GBP, with a median price of £880 GBP. There are currently 37 diamonds matching this specification available across retailers.

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

About 36% of these diamonds are available at multiple retailers, with an average price spread of 42%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct J IF Natural Princess

Quick answer

As of October 2026, there are 37 natural princess diamonds with J colour and IF clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run £628 GBP to £1,422 GBP, with a median of £880 GBP. At least 48 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 42%. Half of all listings fall between £942 GBP and £1,402 GBP per carat. Over the last 30 days the median price moved -2.0% and the number of listings moved +9.3%.

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

£452 GBP

Highest Price

£2,401 GBP

Average Price

£963 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

35.5%

Price Spread

41.9%

30-Day Price Trend

-2.0%

30-Day Supply Change

+9.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,462/ct

10th Percentile

$1,075

Median

$1,462

90th Percentile

$2,395

Score Distribution

107 diamonds scored across 4 quality tiers

Excellent

33 (30.8%)

Very Good

23 (21.5%)

Good

25 (23.4%)

Average

26 (24.3%)

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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