How much does a 5.00ct+ D FL lab grown round diamond cost?

As of September 2026, 5.00ct+ D FL lab grown round diamonds typically cost $11,844 NZD to $108,356 NZD, with a median price of $31,559 NZD. There are currently 622 diamonds matching this specification available across retailers.

Where can I find the best price on a D FL round diamond?

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5.00ct+ D FL Lab Grown Round

Quick answer

As of September 2026, there are 622 lab grown round diamonds with D colour and FL clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $11,844 NZD to $108,356 NZD, with a median of $31,559 NZD. At least 8 retailers stock this exact specification. Half of all listings fall between $19,824 NZD and $35,324 NZD per carat. The same specification in natural form lists at a median of about $136,438 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. Round lab grown stones in the index: 438 USD per carat, -14.1% 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

622

Lowest Price

$6,308 NZD

Highest Price

$1,640,285 NZD

Average Price

$56,440 NZD

Market Intelligence

Retailers Selling

Price Spread

64.3%

Price Range

Price per carat distribution across retailers

$14,033/ct

10th Percentile

$10,253

Median

$14,033

90th Percentile

$29,236

Score Distribution

622 diamonds scored across 5 quality tiers

Exceptional

13 (2.1%)

Excellent

159 (25.6%)

Very Good

205 (33.0%)

Good

187 (30.1%)

Average

58 (9.3%)

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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