How much does a 2.00 to 2.99ct I VS1 natural round diamond cost?

As of September 2026, 2.00 to 2.99ct I VS1 natural round diamonds typically cost $13,201 AUD to $36,828 AUD, with a median price of $21,460 AUD. There are currently 1,769 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS1 round diamond?

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2.00 to 2.99ct I VS1 Natural Round

Quick answer

As of September 2026, there are 1,769 natural round diamonds with I colour and VS1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $13,201 AUD to $36,828 AUD, with a median of $21,460 AUD. At least 63 retailers stock this exact specification. Half of all listings fall between $8,776 AUD and $14,322 AUD per carat. The same specification in lab grown form lists at a median of about $827 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

1,769

Lowest Price

$8,150 AUD

Highest Price

$89,665 AUD

Average Price

$23,650 AUD

Market Intelligence

Retailers Selling

Price Spread

49.3%

Price Range

Price per carat distribution across retailers

$8,073/ct

10th Percentile

$5,230

Median

$8,073

90th Percentile

$12,515

Score Distribution

1.8K diamonds scored across 4 quality tiers

Excellent

605 (34.2%)

Very Good

447 (25.3%)

Good

511 (28.9%)

Average

206 (11.6%)

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Consider Instead

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

J VS1J colour is visually identical to I to the naked eye

Save 30%

Lab-Grown I VS1Same specifications, lab-grown origin

Save 93%

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