How much does a 1.00 to 1.49ct E IF lab grown oval diamond cost?

As of October 2026, 1.00 to 1.49ct E IF lab grown oval diamonds typically cost $297 AUD to $2,108 AUD, with a median price of $559 AUD. There are currently 442 diamonds matching this specification available across retailers.

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

About 42% of these diamonds are available at multiple retailers, with an average price spread of 124%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct E IF Lab Grown Oval

Quick answer

As of October 2026, there are 442 lab grown oval diamonds with E colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $297 AUD to $2,108 AUD, with a median of $559 AUD. At least 54 retailers stock this exact specification, and 42% of the stones appear at more than one of them, with an average price spread of 124%. Half of all listings fall between $437 AUD and $1,393 AUD per carat. The same specification in natural form lists at a median of about $11,897 AUD per carat. Over the last 30 days the median price moved -4.5% and the number of listings moved +18.2%.

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. Oval lab grown stones in the index: 453 USD per carat, -7.4% 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

442

Lowest Price

$243 AUD

Highest Price

$5,252 AUD

Average Price

$903 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

41.6%

Price Spread

123.8%

30-Day Price Trend

-4.5%

30-Day Supply Change

+18.2%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$543/ct

10th Percentile

$218

Median

$543

90th Percentile

$1,391

Score Distribution

1.1K diamonds scored across 4 quality tiers

Excellent

470 (43.5%)

Very Good

232 (21.5%)

Good

194 (18.0%)

Average

184 (17.0%)

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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