How much does a 1.50 to 1.99ct F IF lab grown cushion diamond cost?

As of October 2026, 1.50 to 1.99ct F IF lab grown cushion diamonds typically cost $703 AUD to $5,244 AUD, with a median price of $1,685 AUD. There are currently 23 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 117%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct F IF Lab Grown Cushion

Quick answer

As of October 2026, there are 23 lab grown cushion diamonds with F colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $703 AUD to $5,244 AUD, with a median of $1,685 AUD. At least 43 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 117%. Half of all listings fall between $983 AUD and $2,888 AUD per carat. The same specification in natural form lists at a median of about $10,590 AUD per carat. Over the last 30 days the median price moved +2.9% and the number of listings moved +8.6%.

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 lab grown stones in the index: 516 USD per carat, +6.9% 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

$484 AUD

Highest Price

$13,949 AUD

Average Price

$2,492 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

32.4%

Price Spread

117.3%

30-Day Price Trend

+2.9%

30-Day Supply Change

+8.6%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,141/ct

10th Percentile

$417

Median

$1,141

90th Percentile

$3,617

Score Distribution

76 diamonds scored across 5 quality tiers

Exceptional

1 (1.3%)

Excellent

22 (28.9%)

Very Good

14 (18.4%)

Good

24 (31.6%)

Average

15 (19.7%)

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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