How much does a 5.00ct+ E IF lab grown radiant diamond cost?

As of September 2026, 5.00ct+ E IF lab grown radiant diamonds typically cost $8,858 AUD to $43,687 AUD, with a median price of $20,208 AUD. There are currently 62 diamonds matching this specification available across retailers.

Where can I find the best price on a E IF radiant diamond?

Compare prices across retailers on Carat Hunter to see all your options.

5.00ct+ E IF Lab Grown Radiant

Quick answer

As of September 2026, there are 62 lab grown radiant diamonds with E colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $8,858 AUD to $43,687 AUD, with a median of $20,208 AUD. At least 32 retailers stock this exact specification. Half of all listings fall between $3,450 AUD and $8,134 AUD per carat. The same specification in natural form lists at a median of about $50,579 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. Radiant lab grown stones in the index: 473 USD per carat, -12.5% 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

$4,172 AUD

Highest Price

$144,422 AUD

Average Price

$24,287 AUD

Market Intelligence

Retailers Selling

Price Spread

95.6%

Price Range

Price per carat distribution across retailers

$3,185/ct

10th Percentile

$1,714

Median

$3,185

90th Percentile

$6,834

Score Distribution

62 diamonds scored across 4 quality tiers

Excellent

25 (40.3%)

Very Good

28 (45.2%)

Good

7 (11.3%)

Average

2 (3.2%)

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Consider Instead

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

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

Save 37%

E VVS1VVS1 inclusions are not visible without magnification

Save 64%

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