How much does a 1.00 to 1.49ct G IF natural princess diamond cost?

As of September 2026, 1.00 to 1.49ct G IF natural princess diamonds typically cost £1,886 GBP to £4,751 GBP, with a median price of £2,617 GBP. There are currently 158 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct G IF Natural Princess

Quick answer

As of September 2026, there are 158 natural princess diamonds with G colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £1,886 GBP to £4,751 GBP, with a median of £2,617 GBP. At least 47 retailers stock this exact specification. Half of all listings fall between £2,290 GBP and £3,356 GBP per carat. The same specification in lab grown form lists at a median of about £506 GBP per carat.

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

158

Lowest Price

£1,545 GBP

Highest Price

£10,486 GBP

Average Price

£3,014 GBP

Market Intelligence

Retailers Selling

Price Spread

39.9%

Price Range

Price per carat distribution across retailers

$3,600/ct

10th Percentile

$2,703

Median

$3,600

90th Percentile

$6,129

Score Distribution

158 diamonds scored across 5 quality tiers

Exceptional

1 (0.6%)

Excellent

36 (22.8%)

Very Good

46 (29.1%)

Good

39 (24.7%)

Average

36 (22.8%)

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

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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