How much does a 1.50 to 1.99ct G I1 natural princess diamond cost?

As of November 2026, 1.50 to 1.99ct G I1 natural princess diamonds typically cost $4,783 NZD to $17,342 NZD, with a median price of $10,225 NZD. There are currently 35 diamonds matching this specification available across retailers.

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

About 17% of these diamonds are available at multiple retailers, with an average price spread of 61%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct G I1 Natural Princess

Quick answer

As of November 2026, there are 35 natural princess diamonds with G colour and I1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $4,783 NZD to $17,342 NZD, with a median of $10,225 NZD. At least 24 retailers stock this exact specification, and 17% of the stones appear at more than one of them, with an average price spread of 61%. Half of all listings fall between $3,886 NZD and $7,408 NZD per carat. Over the last 30 days the median price moved -4.6% and the number of listings moved +4.7%.

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: November 2026

Available

Lowest Price

$3,188 NZD

Highest Price

$27,938 NZD

Average Price

$10,472 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

17.0%

Price Spread

61.4%

30-Day Price Trend

-4.6%

30-Day Supply Change

+4.7%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$3,234/ct

10th Percentile

$1,832

Median

$3,234

90th Percentile

$5,226

Score Distribution

136 diamonds scored across 4 quality tiers

Excellent

10 (7.4%)

Very Good

20 (14.7%)

Good

22 (16.2%)

Average

84 (61.8%)

Find Your Diamond

Search 35 G I1 princess diamonds and compare prices.

Search Diamonds

Consider Instead

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

H I1H colour is visually identical to G to the naked eye

Save 8%

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