How much does a 2.00 to 2.99ct I I1 natural radiant diamond cost?

As of October 2026, 2.00 to 2.99ct I I1 natural radiant diamonds typically cost $11,435 AUD to $41,802 AUD, with a median price of $28,041 AUD. There are currently 15 diamonds matching this specification available across retailers.

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

About 6% of these diamonds are available at multiple retailers, with an average price spread of 35%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct I I1 Natural Radiant

Quick answer

As of October 2026, there are 15 natural radiant diamonds with I colour and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $11,435 AUD to $41,802 AUD, with a median of $28,041 AUD. At least 22 retailers stock this exact specification, and 6% of the stones appear at more than one of them, with an average price spread of 35%. Half of all listings fall between $5,762 AUD and $8,167 AUD per carat. Over the last 30 days the median price moved -14.8% and the number of listings moved +12.8%.

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. Radiant natural stones in the index: 3,091 USD per carat, +13.2% 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

$5,516 AUD

Highest Price

$48,106 AUD

Average Price

$24,627 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

5.8%

Price Spread

35.4%

30-Day Price Trend

-14.8%

30-Day Supply Change

+12.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$4,769/ct

10th Percentile

$2,472

Median

$4,769

90th Percentile

$9,159

Score Distribution

144 diamonds scored across 4 quality tiers

Excellent

3 (2.1%)

Very Good

14 (9.7%)

Good

13 (9.0%)

Average

114 (79.2%)

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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