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

As of October 2026, 1.00 to 1.49ct H IF natural cushion diamonds typically cost $2,557 AUD to $7,405 AUD, with a median price of $4,181 AUD. There are currently 74 diamonds matching this specification available across retailers.

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

About 31% of these diamonds are available at multiple retailers, with an average price spread of 57%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct H IF Natural Cushion

Quick answer

As of October 2026, there are 74 natural cushion diamonds with H colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,557 AUD to $7,405 AUD, with a median of $4,181 AUD. At least 53 retailers stock this exact specification, and 31% of the stones appear at more than one of them, with an average price spread of 57%. Half of all listings fall between $2,932 AUD and $5,069 AUD per carat. Over the last 30 days the median price moved +0.5% and the number of listings moved +3.4%.

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

$1,500 AUD

Highest Price

$16,961 AUD

Average Price

$4,739 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

31.5%

Price Spread

56.8%

30-Day Price Trend

+0.5%

30-Day Supply Change

+3.4%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,643/ct

10th Percentile

$1,713

Median

$2,643

90th Percentile

$4,571

Score Distribution

192 diamonds scored across 4 quality tiers

Excellent

48 (25.0%)

Very Good

29 (15.1%)

Good

64 (33.3%)

Average

51 (26.6%)

Find Your Diamond

Search 74 H IF cushion diamonds and compare prices.

Search Diamonds

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