How much does a 3.00 to 4.99ct E IF lab grown radiant diamond cost?

As of October 2026, 3.00 to 4.99ct E IF lab grown radiant diamonds typically cost $1,695 AUD to $13,391 AUD, with a median price of $4,908 AUD. There are currently 178 diamonds matching this specification available across retailers.

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

About 40% of these diamonds are available at multiple retailers, with an average price spread of 102%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct E IF Lab Grown Radiant

Quick answer

As of October 2026, there are 178 lab grown radiant diamonds with E colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $1,695 AUD to $13,391 AUD, with a median of $4,908 AUD. At least 52 retailers stock this exact specification, and 40% of the stones appear at more than one of them, with an average price spread of 102%. Half of all listings fall between $898 AUD and $2,335 AUD per carat. Over the last 30 days the median price moved -21.8% and the number of listings moved +21.1%.

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. Radiant lab grown stones in the index: 474 USD per carat, -2.1% 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

178

Lowest Price

$1,187 AUD

Highest Price

$48,548 AUD

Average Price

$7,156 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

40.3%

Price Spread

102.3%

30-Day Price Trend

-21.8%

30-Day Supply Change

+21.1%

Volatility (30d)

0.07

Price Range

Price per carat distribution across retailers

$987/ct

10th Percentile

$461

Median

$987

90th Percentile

$2,451

Score Distribution

599 diamonds scored across 5 quality tiers

Exceptional

7 (1.2%)

Excellent

188 (31.4%)

Very Good

190 (31.7%)

Good

109 (18.2%)

Average

105 (17.5%)

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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 14%

E VVS1VVS1 inclusions are not visible without magnification

Save 19%

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