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

As of July 2026, 1.00 to 1.49ct I IF natural cushion diamonds typically cost $2,369 AUD to $8,532 AUD, with a median price of $4,632 AUD. There are currently 95 diamonds matching this specification available across retailers.

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

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

1.00 to 1.49ct I IF Natural Cushion

Last updated: July 2026

Available

Lowest Price

$1,391 AUD

Highest Price

$13,962 AUD

Average Price

$5,311 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

N/A

Price Spread

55.4%

30-Day Price Trend

N/A

30-Day Supply Change

N/A

Volatility (30d)

N/A

Price Range

Price per carat distribution across retailers

$2,657/ct

10th Percentile

$1,789

Median

$2,657

90th Percentile

$4,774

Score Distribution

95 diamonds scored across 4 quality tiers

Excellent

30 (31.6%)

Very Good

19 (20.0%)

Good

15 (15.8%)

Average

31 (32.6%)

Find Your Diamond

Search 95 I IF cushion diamonds and compare prices.

Search Diamonds

Consider Instead

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

J IFJ colour is visually identical to I to the naked eye

Save 25%

I VVS1VVS1 inclusions are not visible without magnification

Save 8%

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