How much does a 2.00 to 2.99ct I IF natural round diamond cost?

As of September 2026, 2.00 to 2.99ct I IF natural round diamonds typically cost $15,953 AUD to $50,408 AUD, with a median price of $24,944 AUD. There are currently 349 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct I IF Natural Round

Quick answer

As of September 2026, there are 349 natural round diamonds with I colour and IF clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $15,953 AUD to $50,408 AUD, with a median of $24,944 AUD. At least 51 retailers stock this exact specification. Half of all listings fall between $11,020 AUD and $20,102 AUD per carat. The same specification in lab grown form lists at a median of about $13,917 AUD 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

349

Lowest Price

$10,567 AUD

Highest Price

$146,154 AUD

Average Price

$29,926 AUD

Market Intelligence

Retailers Selling

Price Spread

60.2%

Price Range

Price per carat distribution across retailers

$10,816/ct

10th Percentile

$6,258

Median

$10,816

90th Percentile

$18,868

Score Distribution

349 diamonds scored across 4 quality tiers

Excellent

140 (40.1%)

Very Good

92 (26.4%)

Good

53 (15.2%)

Average

64 (18.3%)

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Consider Instead

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

J IFJ colour is visually identical to I to the naked eye

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I VVS1VVS1 inclusions are not visible without magnification

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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