How much does a 2.00 to 2.99ct H SI1 natural oval diamond cost?

As of September 2026, 2.00 to 2.99ct H SI1 natural oval diamonds typically cost $15,859 AUD to $35,643 AUD, with a median price of $22,486 AUD. There are currently 1,180 diamonds matching this specification available across retailers.

Where can I find the best price on a H SI1 oval diamond?

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2.00 to 2.99ct H SI1 Natural Oval

Quick answer

As of September 2026, there are 1,180 natural oval diamonds with H colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $15,859 AUD to $35,643 AUD, with a median of $22,486 AUD. At least 54 retailers stock this exact specification. Half of all listings fall between $8,480 AUD and $11,894 AUD per carat. The same specification in lab grown form lists at a median of about $1,984 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. Oval natural stones in the index: 2,380 USD per carat, -9.6% 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

1,180

Lowest Price

$6,296 AUD

Highest Price

$79,178 AUD

Average Price

$24,589 AUD

Market Intelligence

Retailers Selling

Price Spread

33.5%

Price Range

Price per carat distribution across retailers

$7,300/ct

10th Percentile

$5,030

Median

$7,300

90th Percentile

$9,675

Score Distribution

1.2K diamonds scored across 4 quality tiers

Excellent

23 (1.9%)

Very Good

313 (26.5%)

Good

456 (38.6%)

Average

388 (32.9%)

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Consider Instead

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

H SI2SI2 inclusions are not visible without magnification

Save 25%

Lab-Grown H SI1Same specifications, lab-grown origin

Save 75%

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