How much does a 3.00 to 4.99ct F IF lab grown radiant diamond cost?

As of October 2026, 3.00 to 4.99ct F IF lab grown radiant diamonds typically cost $1,877 NZD to $18,873 NZD, with a median price of $5,931 NZD. There are currently 45 diamonds matching this specification available across retailers.

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

About 36% of these diamonds are available at multiple retailers, with an average price spread of 105%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct F IF Lab Grown Radiant

Quick answer

As of October 2026, there are 45 lab grown radiant diamonds with F colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $1,877 NZD to $18,873 NZD, with a median of $5,931 NZD. At least 42 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 105%. Half of all listings fall between $862 NZD and $2,435 NZD per carat. The same specification in natural form lists at a median of about $32,633 NZD per carat. Over the last 30 days the median price moved -7.2% and the number of listings moved +7.7%.

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. Radiant lab grown stones in the index: 474 USD per carat, -2.1% 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

$1,283 NZD

Highest Price

$33,004 NZD

Average Price

$7,951 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

35.7%

Price Spread

104.8%

30-Day Price Trend

-7.2%

30-Day Supply Change

+7.7%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$846/ct

10th Percentile

$364

Median

$846

90th Percentile

$2,141

Score Distribution

126 diamonds scored across 4 quality tiers

Excellent

34 (27.0%)

Very Good

30 (23.8%)

Good

29 (23.0%)

Average

33 (26.2%)

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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