How much does a 0.75 to 0.99ct E IF lab grown round diamond cost?

As of October 2026, 0.75 to 0.99ct E IF lab grown round diamonds typically cost $230 AUD to $1,296 AUD, with a median price of $465 AUD. There are currently 130 diamonds matching this specification available across retailers.

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

About 43% of these diamonds are available at multiple retailers, with an average price spread of 109%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct E IF Lab Grown Round

Quick answer

As of October 2026, there are 130 lab grown round diamonds with E colour and IF clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $230 AUD to $1,296 AUD, with a median of $465 AUD. At least 49 retailers stock this exact specification, and 43% of the stones appear at more than one of them, with an average price spread of 109%. Half of all listings fall between $502 AUD and $1,291 AUD per carat. The same specification in natural form lists at a median of about $8,039 AUD per carat. Over the last 30 days the median price moved -5.9% and the number of listings moved +20.7%.

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. Round lab grown stones in the index: 414 USD per carat, -5.0% 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

130

Lowest Price

$209 AUD

Highest Price

$3,955 AUD

Average Price

$656 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

42.6%

Price Spread

108.6%

30-Day Price Trend

-5.9%

30-Day Supply Change

+20.7%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$511/ct

10th Percentile

$213

Median

$511

90th Percentile

$1,313

Score Distribution

270 diamonds scored across 4 quality tiers

Excellent

137 (50.7%)

Very Good

66 (24.4%)

Good

37 (13.7%)

Average

30 (11.1%)

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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 6%

E VVS1VVS1 inclusions are not visible without magnification

Save 14%

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