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

As of September 2026, 2.00 to 2.99ct D SI1 natural round diamonds typically cost $20,780 CAD to $50,885 CAD, with a median price of $30,084 CAD. There are currently 1,034 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

2.00 to 2.99ct D SI1 Natural Round

Quick answer

As of September 2026, there are 1,034 natural round diamonds with D color and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $20,780 CAD to $50,885 CAD, with a median of $30,084 CAD. At least 56 retailers stock this exact specification. Half of all listings fall between $12,069 CAD and $16,515 CAD per carat. The same specification in lab grown form lists at a median of about $527 CAD 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. Round natural stones in the index: 2,094 USD per carat, -3.8% 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

1,034

Lowest Price

$11,599 CAD

Highest Price

$148,793 CAD

Average Price

$33,289 CAD

Market Intelligence

Retailers Selling

Price Spread

31.2%

Price Range

Price per carat distribution across retailers

$10,273/ct

10th Percentile

$7,530

Median

$10,273

90th Percentile

$13,751

Score Distribution

1.0K diamonds scored across 4 quality tiers

Excellent

166 (16.1%)

Very Good

312 (30.2%)

Good

349 (33.8%)

Average

207 (20.0%)

Find Your Diamond

Search 1,034 D SI1 round diamonds and compare prices.

Search Diamonds

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

Save 28%

Lab-Grown D SI1Same specifications, lab-grown origin

Save 96%

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