How much does a 2.00 to 2.99ct D SI1 natural princess diamond cost?

As of October 2026, 2.00 to 2.99ct D SI1 natural princess diamonds typically cost $12,203 USD to $37,896 USD, with a median price of $20,540 USD. There are currently 22 diamonds matching this specification available across retailers.

Where can I find the best price on a D SI1 princess diamond?

About 31% of these diamonds are available at multiple retailers, with an average price spread of 47%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct D SI1 Natural Princess

Quick answer

As of October 2026, there are 22 natural princess diamonds with D color and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $12,203 USD to $37,896 USD, with a median of $20,540 USD. At least 56 retailers stock this exact specification, and 31% of the stones appear at more than one of them, with an average price spread of 47%. Half of all listings fall between $6,184 USD and $9,875 USD per carat. The same specification in lab grown form lists at a median of about $393 USD per carat. Over the last 30 days the median price moved -2.3% and the number of listings moved +7.3%.

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

Lowest Price

$5,502 USD

Highest Price

$40,888 USD

Average Price

$21,702 USD

Market Intelligence

Retailers Selling

Cross Retailer %

31.1%

Price Spread

47.5%

30-Day Price Trend

-2.3%

30-Day Supply Change

+7.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$7,776/ct

10th Percentile

$5,349

Median

$7,776

90th Percentile

$11,671

Score Distribution

61 diamonds scored across 4 quality tiers

Excellent

3 (4.9%)

Very Good

12 (19.7%)

Good

18 (29.5%)

Average

28 (45.9%)

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Consider Instead

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

D SI2SI2 inclusions are not visible without magnification

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Lab-Grown D SI1Same 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