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

As of October 2026, 1.50 to 1.99ct G IF natural princess diamonds typically cost £4,791 GBP to £10,837 GBP, with a median price of £6,337 GBP. There are currently 14 diamonds matching this specification available across retailers.

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

About 34% of these diamonds are available at multiple retailers, with an average price spread of 30%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct G IF Natural Princess

Quick answer

As of October 2026, there are 14 natural princess diamonds with G colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £4,791 GBP to £10,837 GBP, with a median of £6,337 GBP. At least 37 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 30%. Half of all listings fall between £3,354 GBP and £4,542 GBP per carat. The same specification in lab grown form lists at a median of about £722 GBP per carat. Over the last 30 days the median price moved -6.7% and the number of listings moved -13.8%.

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. 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

£3,537 GBP

Highest Price

£13,078 GBP

Average Price

£7,336 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

33.8%

Price Spread

30.0%

30-Day Price Trend

-6.7%

30-Day Supply Change

-13.8%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$5,272/ct

10th Percentile

$4,020

Median

$5,272

90th Percentile

$7,740

Score Distribution

43 diamonds scored across 5 quality tiers

Exceptional

1 (2.3%)

Excellent

11 (25.6%)

Very Good

4 (9.3%)

Good

12 (27.9%)

Average

15 (34.9%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

H IFH colour is visually identical to G to the naked eye

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Lab-Grown G IFSame specifications, lab-grown origin

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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