How much does a 5.00ct+ F FL lab grown cushion diamond cost?

As of October 2026, 5.00ct+ F FL lab grown cushion diamonds typically cost $14,393 NZD to $49,756 NZD, with a median price of $35,920 NZD. There are currently 3 diamonds matching this specification available across retailers.

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

About 27% of these diamonds are available at multiple retailers, with an average price spread of 58%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ F FL Lab Grown Cushion

Quick answer

As of October 2026, there are 3 lab grown cushion diamonds with F colour and FL clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $14,393 NZD to $49,756 NZD, with a median of $35,920 NZD. At least 19 retailers stock this exact specification, and 27% of the stones appear at more than one of them, with an average price spread of 58%. Half of all listings fall between $4,957 NZD and $9,216 NZD per carat. Over the last 30 days the median price moved -17.5% and the number of listings moved +40.5%.

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

$12,884 NZD

Highest Price

$100,008 NZD

Average Price

$34,105 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

27.3%

Price Spread

58.2%

30-Day Price Trend

-17.5%

30-Day Supply Change

+40.5%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$4,108/ct

10th Percentile

$1,882

Median

$4,108

90th Percentile

$6,896

Score Distribution

10 diamonds scored across 4 quality tiers

Excellent

2 (20.0%)

Very Good

2 (20.0%)

Good

4 (40.0%)

Average

2 (20.0%)

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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