How much does a 0.50 to 0.74ct F IF lab grown cushion diamond cost?

As of October 2026, 0.50 to 0.74ct F IF lab grown cushion diamonds typically cost $492 NZD to $1,477 NZD, with a median price of $1,141 NZD. There are currently 7 diamonds matching this specification available across retailers.

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

About 30% of these diamonds are available at multiple retailers, with an average price spread of 92%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct F IF Lab Grown Cushion

Quick answer

As of October 2026, there are 7 lab grown cushion diamonds with F colour and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $492 NZD to $1,477 NZD, with a median of $1,141 NZD. At least 36 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 92%. Half of all listings fall between $1,240 NZD and $2,975 NZD per carat. The same specification in natural form lists at a median of about $3,209 NZD per carat. Over the last 30 days the median price moved +3.3% and the number of listings moved +19.4%.

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 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

$413 NZD

Highest Price

$4,418 NZD

Average Price

$1,113 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

30.0%

Price Spread

92.1%

30-Day Price Trend

+3.3%

30-Day Supply Change

+19.4%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,058/ct

10th Percentile

$482

Median

$1,058

90th Percentile

$2,581

Score Distribution

25 diamonds scored across 4 quality tiers

Excellent

7 (28.0%)

Very Good

2 (8.0%)

Good

10 (40.0%)

Average

6 (24.0%)

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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