How much does a 0.50 to 0.74ct G SI2 natural princess diamond cost?

As of October 2026, 0.50 to 0.74ct G SI2 natural princess diamonds typically cost €432 EUR to €792 EUR, with a median price of €598 EUR. There are currently 437 diamonds matching this specification available across retailers.

Where can I find the best price on a G SI2 princess diamond?

About 41% of these diamonds are available at multiple retailers, with an average price spread of 28%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct G SI2 Natural Princess

Quick answer

As of October 2026, there are 437 natural princess diamonds with G colour and SI2 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run €432 EUR to €792 EUR, with a median of €598 EUR. At least 48 retailers stock this exact specification, and 41% of the stones appear at more than one of them, with an average price spread of 28%. Half of all listings fall between €843 EUR and €1,119 EUR per carat. The same specification in lab grown form lists at a median of about €315 EUR per carat. Over the last 30 days the median price moved -2.3% and the number of listings moved +48.3%.

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

437

Lowest Price

€288 EUR

Highest Price

€1,577 EUR

Average Price

€635 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

40.6%

Price Spread

28.4%

30-Day Price Trend

-2.3%

30-Day Supply Change

+48.3%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,088/ct

10th Percentile

$873

Median

$1,088

90th Percentile

$1,563

Score Distribution

920 diamonds scored across 4 quality tiers

Excellent

89 (9.7%)

Very Good

300 (32.6%)

Good

148 (16.1%)

Average

383 (41.6%)

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Consider Instead

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

H SI2H colour is visually identical to G to the naked eye

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Lab-Grown G SI2Same 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