How much does a 2.00 to 2.99ct G I1 natural princess diamond cost?

As of September 2026, 2.00 to 2.99ct G I1 natural princess diamonds typically cost £3,508 GBP to £12,551 GBP, with a median price of £7,127 GBP. There are currently 70 diamonds matching this specification available across retailers.

Where can I find the best price on a G I1 princess diamond?

About 34% of these diamonds are available at multiple retailers, with an average price spread of 72%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct G I1 Natural Princess

Quick answer

As of September 2026, there are 70 natural princess diamonds with G colour and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £3,508 GBP to £12,551 GBP, with a median of £7,127 GBP. At least 19 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 72%. Half of all listings fall between £2,865 GBP and £5,408 GBP per carat. The same specification in lab grown form lists at a median of about £2,139 GBP per carat. Over the last 30 days the median price moved -4.4% and the number of listings moved -11.7%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Princess natural stones in the index: 2,073 USD per carat, -3.2% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

£2,176 GBP

Highest Price

£36,351 GBP

Average Price

£8,009 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

33.9%

Price Spread

72.3%

30-Day Price Trend

-4.4%

30-Day Supply Change

-11.7%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$4,470/ct

10th Percentile

$2,714

Median

$4,470

90th Percentile

$8,018

Score Distribution

70 diamonds scored across 4 quality tiers

Excellent

2 (2.9%)

Very Good

24 (34.3%)

Good

13 (18.6%)

Average

31 (44.3%)

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Consider Instead

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

Lab-Grown G I1Same specifications, lab-grown origin

Save 39%

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