How much does a 0.20 to 0.49ct F VS2 lab grown radiant diamond cost?

As of October 2026, 0.20 to 0.49ct F VS2 lab grown radiant diamonds typically cost $253 NZD to $708 NZD, with a median price of $497 NZD. There are currently 7 diamonds matching this specification available across retailers.

Where can I find the best price on a F VS2 radiant diamond?

About 35% of these diamonds are available at multiple retailers, with an average price spread of 97%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct F VS2 Lab Grown Radiant

Quick answer

As of October 2026, there are 7 lab grown radiant diamonds with F colour and VS2 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $253 NZD to $708 NZD, with a median of $497 NZD. At least 20 retailers stock this exact specification, and 35% of the stones appear at more than one of them, with an average price spread of 97%. Half of all listings fall between $655 NZD and $1,907 NZD per carat. The same specification in natural form lists at a median of about $2,889 NZD per carat. Over the last 30 days the median price moved +1.5% and the number of listings moved +3.7%.

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

$153 NZD

Highest Price

$1,400 NZD

Average Price

$491 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

35.3%

Price Spread

96.6%

30-Day Price Trend

+1.5%

30-Day Supply Change

+3.7%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$728/ct

10th Percentile

$320

Median

$728

90th Percentile

$1,367

Score Distribution

12 diamonds scored across 4 quality tiers

Excellent

1 (8.3%)

Very Good

1 (8.3%)

Good

7 (58.3%)

Average

3 (25.0%)

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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