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

As of October 2026, 3.00 to 4.99ct E SI1 natural asscher diamonds typically cost $48,524 AUD to $85,331 AUD, with a median price of $70,262 AUD. There are currently 12 diamonds matching this specification available across retailers.

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

About 50% of these diamonds are available at multiple retailers, with an average price spread of 23%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct E SI1 Natural Asscher

Quick answer

As of October 2026, there are 12 natural asscher diamonds with E colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $48,524 AUD to $85,331 AUD, with a median of $70,262 AUD. At least 26 retailers stock this exact specification, and 50% of the stones appear at more than one of them, with an average price spread of 23%. Half of all listings fall between $15,495 AUD and $19,473 AUD per carat. The same specification in lab grown form lists at a median of about $526 AUD per carat. Over the last 30 days the median price moved +0.8% and the number of listings moved -8.4%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Asscher natural stones in the index: 2,504 USD per carat, -3.3% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: October 2026

Available

Lowest Price

$44,251 AUD

Highest Price

$140,138 AUD

Average Price

$68,912 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

50.0%

Price Spread

23.2%

30-Day Price Trend

+0.8%

30-Day Supply Change

-8.4%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$12,066/ct

10th Percentile

$10,387

Median

$12,066

90th Percentile

$14,448

Score Distribution

20 diamonds scored across 4 quality tiers

Excellent

3 (15.0%)

Very Good

6 (30.0%)

Good

5 (25.0%)

Average

6 (30.0%)

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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

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Lab-Grown E SI1Same specifications, lab-grown origin

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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