How much does a 5.00ct+ E FL natural cushion diamond cost?

As of October 2026, 5.00ct+ E FL natural cushion diamonds typically cost $272,539 AUD to $460,386 AUD, with a median price of $276,009 AUD. There are currently 2 diamonds matching this specification available across retailers.

Where can I find the best price on a E FL cushion diamond?

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5.00ct+ E FL Natural Cushion

Quick answer

As of October 2026, there are 2 natural cushion diamonds with E colour and FL clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $272,539 AUD to $460,386 AUD, with a median of $276,009 AUD. The same specification in lab grown form lists at a median of about $4,472 AUD per carat.

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. Cushion natural stones in the index: 2,948 USD per carat, +1.7% 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

$271,671 AUD

Highest Price

$657,804 AUD

Average Price

$351,387 AUD

Score Distribution

3 diamonds scored across 1 quality tiers

Excellent

3 (100.0%)

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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