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

As of September 2026, 5.00ct+ F FL lab grown cushion diamonds typically cost HK$88,517 HKD to HK$352,536 HKD, with a median price of HK$222,227 HKD. There are currently 12 diamonds matching this specification available across retailers.

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

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5.00ct+ F FL Lab Grown Cushion

Quick answer

As of September 2026, there are 12 lab grown cushion diamonds with F colour and FL clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run HK$88,517 HKD to HK$352,536 HKD, with a median of HK$222,227 HKD. At least 14 retailers stock this exact specification. Half of all listings fall between HK$28,947 HKD and HK$47,528 HKD per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Cushion lab grown stones in the index: 466 USD per carat, -14.7% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

HK$67,987 HKD

Highest Price

HK$724,492 HKD

Average Price

HK$256,344 HKD

Market Intelligence

Retailers Selling

Price Spread

48.4%

Price Range

Price per carat distribution across retailers

$4,900/ct

10th Percentile

$2,088

Median

$4,900

90th Percentile

$7,734

Score Distribution

12 diamonds scored across 4 quality tiers

Excellent

1 (8.3%)

Very Good

4 (33.3%)

Good

2 (16.7%)

Average

5 (41.7%)

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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