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

As of September 2026, 5.00ct+ F FL lab grown radiant diamonds typically cost $24,640 NZD to $172,524 NZD, with a median price of $90,263 NZD. There are currently 15 diamonds matching this specification available across retailers.

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

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5.00ct+ F FL Lab Grown Radiant

Quick answer

As of September 2026, there are 15 lab grown radiant diamonds with F colour and FL clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $24,640 NZD to $172,524 NZD, with a median of $90,263 NZD. At least 16 retailers stock this exact specification. Half of all listings fall between $2,667 NZD and $8,813 NZD 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. Radiant lab grown stones in the index: 473 USD per carat, -12.5% 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

$11,290 NZD

Highest Price

$393,417 NZD

Average Price

$94,764 NZD

Market Intelligence

Retailers Selling

Price Spread

109.7%

Price Range

Price per carat distribution across retailers

$3,360/ct

10th Percentile

$1,304

Median

$3,360

90th Percentile

$7,122

Score Distribution

15 diamonds scored across 4 quality tiers

Excellent

1 (6.7%)

Very Good

3 (20.0%)

Good

7 (46.7%)

Average

4 (26.7%)

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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