How much does a 0.20 to 0.49ct F VVS1 lab grown radiant diamond cost?

As of October 2026, 0.20 to 0.49ct F VVS1 lab grown radiant diamonds typically cost $199 NZD to $706 NZD, with a median price of $453 NZD. There are currently 11 diamonds matching this specification available across retailers.

Where can I find the best price on a F VVS1 radiant diamond?

About 51% of these diamonds are available at multiple retailers, with an average price spread of 74%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct F VVS1 Lab Grown Radiant

Quick answer

As of October 2026, there are 11 lab grown radiant diamonds with F colour and VVS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $199 NZD to $706 NZD, with a median of $453 NZD. At least 31 retailers stock this exact specification, and 51% of the stones appear at more than one of them, with an average price spread of 74%. Half of all listings fall between $714 NZD and $1,604 NZD per carat. The same specification in natural form lists at a median of about $3,594 NZD per carat. Over the last 30 days the median price moved -5.8% and the number of listings moved +0.9%.

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

$183 NZD

Highest Price

$1,423 NZD

Average Price

$482 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

51.4%

Price Spread

73.8%

30-Day Price Trend

-5.8%

30-Day Supply Change

+0.9%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$677/ct

10th Percentile

$299

Median

$677

90th Percentile

$1,245

Score Distribution

31 diamonds scored across 4 quality tiers

Excellent

8 (25.8%)

Very Good

5 (16.1%)

Good

15 (48.4%)

Average

3 (9.7%)

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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