How much does a 1.50 to 1.99ct D IF natural cushion diamond cost?

As of October 2026, 1.50 to 1.99ct D IF natural cushion diamonds typically cost $13,216 AUD to $46,371 AUD, with a median price of $23,695 AUD. There are currently 16 diamonds matching this specification available across retailers.

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

About 27% of these diamonds are available at multiple retailers, with an average price spread of 45%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct D IF Natural Cushion

Quick answer

As of October 2026, there are 16 natural cushion diamonds with D colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $13,216 AUD to $46,371 AUD, with a median of $23,695 AUD. At least 47 retailers stock this exact specification, and 27% of the stones appear at more than one of them, with an average price spread of 45%. Half of all listings fall between $9,829 AUD and $15,373 AUD per carat. The same specification in lab grown form lists at a median of about $1,287 AUD per carat. Over the last 30 days the median price moved -3.2% and the number of listings moved +6.3%.

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

$11,141 AUD

Highest Price

$54,790 AUD

Average Price

$26,840 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

26.9%

Price Spread

45.3%

30-Day Price Trend

-3.2%

30-Day Supply Change

+6.3%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$8,597/ct

10th Percentile

$6,004

Median

$8,597

90th Percentile

$14,018

Score Distribution

56 diamonds scored across 5 quality tiers

Exceptional

3 (5.4%)

Excellent

6 (10.7%)

Very Good

9 (16.1%)

Good

14 (25.0%)

Average

24 (42.9%)

Find Your Diamond

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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