How much does a 0.75 to 0.99ct G SI2 natural princess diamond cost?

As of October 2026, 0.75 to 0.99ct G SI2 natural princess diamonds typically cost €736 EUR to €2,107 EUR, with a median price of €1,116 EUR. There are currently 149 diamonds matching this specification available across retailers.

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

About 31% of these diamonds are available at multiple retailers, with an average price spread of 67%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct G SI2 Natural Princess

Quick answer

As of October 2026, there are 149 natural princess diamonds with G colour and SI2 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run €736 EUR to €2,107 EUR, with a median of €1,116 EUR. At least 54 retailers stock this exact specification, and 31% of the stones appear at more than one of them, with an average price spread of 67%. Half of all listings fall between €1,003 EUR and €1,854 EUR per carat. The same specification in lab grown form lists at a median of about €681 EUR per carat. Over the last 30 days the median price moved -7.2% and the number of listings moved +13.3%.

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

149

Lowest Price

€537 EUR

Highest Price

€4,682 EUR

Average Price

€1,290 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

31.3%

Price Spread

67.2%

30-Day Price Trend

-7.2%

30-Day Supply Change

+13.3%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,415/ct

10th Percentile

$1,000

Median

$1,415

90th Percentile

$3,078

Score Distribution

385 diamonds scored across 4 quality tiers

Excellent

51 (13.2%)

Very Good

80 (20.8%)

Good

107 (27.8%)

Average

147 (38.2%)

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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