How much does a 3.00 to 4.99ct E SI1 natural asscher diamond cost?

As of September 2026, 3.00 to 4.99ct E SI1 natural asscher diamonds typically cost $39,986 AUD to $82,436 AUD, with a median price of $55,232 AUD. There are currently 23 diamonds matching this specification available across retailers.

Where can I find the best price on a E SI1 asscher diamond?

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3.00 to 4.99ct E SI1 Natural Asscher

Quick answer

As of September 2026, there are 23 natural asscher diamonds with E colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $39,986 AUD to $82,436 AUD, with a median of $55,232 AUD. At least 27 retailers stock this exact specification. Half of all listings fall between $15,382 AUD and $17,799 AUD per carat. The same specification in lab grown form lists at a median of about $681 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. Asscher natural stones in the index: 2,601 USD per carat, +11.1% 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

Lowest Price

$31,959 AUD

Highest Price

$104,740 AUD

Average Price

$58,868 AUD

Market Intelligence

Retailers Selling

Price Spread

14.5%

Price Range

Price per carat distribution across retailers

$11,900/ct

10th Percentile

$9,853

Median

$11,900

90th Percentile

$14,559

Score Distribution

23 diamonds scored across 4 quality tiers

Excellent

10 (43.5%)

Very Good

3 (13.0%)

Good

6 (26.1%)

Average

4 (17.4%)

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Consider Instead

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

F SI1F colour is visually identical to E to the naked eye

Save 13%

Lab-Grown E SI1Same specifications, lab-grown origin

Save 96%

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