How much does a 0.20 to 0.49ct F VS1 lab grown radiant diamond cost?

As of October 2026, 0.20 to 0.49ct F VS1 lab grown radiant diamonds typically cost $128 AUD to $585 AUD, with a median price of $304 AUD. There are currently 44 diamonds matching this specification available across retailers.

Where can I find the best price on a F VS1 radiant diamond?

About 39% of these diamonds are available at multiple retailers, with an average price spread of 81%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct F VS1 Lab Grown Radiant

Quick answer

As of October 2026, there are 44 lab grown radiant diamonds with F colour and VS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $128 AUD to $585 AUD, with a median of $304 AUD. At least 32 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 81%. Half of all listings fall between $521 AUD and $1,262 AUD per carat. The same specification in natural form lists at a median of about $2,787 AUD per carat. Over the last 30 days the median price moved +8.7% and the number of listings moved -3.1%.

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

$110 AUD

Highest Price

$1,703 AUD

Average Price

$329 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

39.5%

Price Spread

81.4%

30-Day Price Trend

+8.7%

30-Day Supply Change

-3.1%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$640/ct

10th Percentile

$271

Median

$640

90th Percentile

$1,326

Score Distribution

82 diamonds scored across 4 quality tiers

Excellent

19 (23.2%)

Very Good

13 (15.9%)

Good

34 (41.5%)

Average

16 (19.5%)

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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