How much does a 2.00 to 2.99ct D I1 natural round diamond cost?

As of October 2026, 2.00 to 2.99ct D I1 natural round diamonds typically cost $12,330 AUD to $58,028 AUD, with a median price of $26,116 AUD. There are currently 72 diamonds matching this specification available across retailers.

Where can I find the best price on a D I1 round diamond?

About 21% of these diamonds are available at multiple retailers, with an average price spread of 62%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct D I1 Natural Round

Quick answer

As of October 2026, there are 72 natural round diamonds with D colour and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $12,330 AUD to $58,028 AUD, with a median of $26,116 AUD. At least 25 retailers stock this exact specification, and 21% of the stones appear at more than one of them, with an average price spread of 62%. Half of all listings fall between $6,499 AUD and $12,209 AUD per carat. The same specification in lab grown form lists at a median of about $1,433 AUD per carat. Over the last 30 days the median price moved -3.4% and the number of listings moved +7.8%.

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. Round natural stones in the index: 2,248 USD per carat, +7.6% 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

$5,712 AUD

Highest Price

$80,187 AUD

Average Price

$31,623 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

20.5%

Price Spread

61.6%

30-Day Price Trend

-3.4%

30-Day Supply Change

+7.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$6,506/ct

10th Percentile

$3,231

Median

$6,506

90th Percentile

$11,193

Score Distribution

303 diamonds scored across 4 quality tiers

Excellent

35 (11.6%)

Very Good

46 (15.2%)

Good

25 (8.3%)

Average

197 (65.0%)

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Consider Instead

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

Lab-Grown D I1Same 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