How much does a 1.00 to 1.49ct E IF natural cushion diamond cost?

As of October 2026, 1.00 to 1.49ct E IF natural cushion diamonds typically cost $4,735 AUD to $14,244 AUD, with a median price of $7,773 AUD. There are currently 54 diamonds matching this specification available across retailers.

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

About 34% of these diamonds are available at multiple retailers, with an average price spread of 56%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct E IF Natural Cushion

Quick answer

As of October 2026, there are 54 natural cushion diamonds with E colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $4,735 AUD to $14,244 AUD, with a median of $7,773 AUD. At least 53 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 56%. Half of all listings fall between $6,659 AUD and $11,583 AUD per carat. The same specification in lab grown form lists at a median of about $1,260 AUD per carat. Over the last 30 days the median price moved -1.1% and the number of listings moved +12.2%.

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. 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

$3,315 AUD

Highest Price

$26,953 AUD

Average Price

$9,040 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

34.4%

Price Spread

55.5%

30-Day Price Trend

-1.1%

30-Day Supply Change

+12.2%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$6,228/ct

10th Percentile

$3,757

Median

$6,228

90th Percentile

$9,764

Score Distribution

105 diamonds scored across 5 quality tiers

Exceptional

4 (3.8%)

Excellent

31 (29.5%)

Very Good

23 (21.9%)

Good

24 (22.9%)

Average

23 (21.9%)

Find Your Diamond

Search 54 E IF cushion diamonds and compare prices.

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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 32%

E VVS1VVS1 inclusions are not visible without magnification

Save 34%

Lab-Grown E IFSame specifications, lab-grown origin

Save 87%

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