How much does a 3.00 to 4.99ct E SI2 natural oval diamond cost?

As of September 2026, 3.00 to 4.99ct E SI2 natural oval diamonds typically cost $25,981 AUD to $87,412 AUD, with a median price of $50,930 AUD. There are currently 300 diamonds matching this specification available across retailers.

Where can I find the best price on a E SI2 oval diamond?

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3.00 to 4.99ct E SI2 Natural Oval

Quick answer

As of September 2026, there are 300 natural oval diamonds with E colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $25,981 AUD to $87,412 AUD, with a median of $50,930 AUD. At least 45 retailers stock this exact specification. Half of all listings fall between $14,329 AUD and $20,775 AUD per carat. The same specification in lab grown form lists at a median of about $799 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

300

Lowest Price

$16,682 AUD

Highest Price

$251,040 AUD

Average Price

$55,502 AUD

Market Intelligence

Retailers Selling

Price Spread

36.0%

Price Range

Price per carat distribution across retailers

$12,846/ct

10th Percentile

$7,847

Median

$12,846

90th Percentile

$16,917

Score Distribution

300 diamonds scored across 4 quality tiers

Excellent

82 (27.3%)

Very Good

86 (28.7%)

Good

76 (25.3%)

Average

56 (18.7%)

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Consider Instead

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

F SI2F colour is visually identical to E to the naked eye

Save 12%

Lab-Grown E SI2Same specifications, lab-grown origin

Save 94%

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