How much does a 0.20 to 0.49ct I VVS2 lab grown round diamond cost?

As of October 2026, 0.20 to 0.49ct I VVS2 lab grown round diamonds typically cost $228 AUD to $1,219 AUD, with a median price of $484 AUD. There are currently 17 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS2 round diamond?

About 28% of these diamonds are available at multiple retailers, with an average price spread of 137%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct I VVS2 Lab Grown Round

Quick answer

As of October 2026, there are 17 lab grown round diamonds with I colour and VVS2 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $228 AUD to $1,219 AUD, with a median of $484 AUD. At least 13 retailers stock this exact specification, and 28% of the stones appear at more than one of them, with an average price spread of 137%. Half of all listings fall between $484 AUD and $1,687 AUD per carat. The same specification in natural form lists at a median of about $2,181 AUD per carat. Over the last 30 days the median price moved -26.8% and the number of listings moved -57.4%.

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. Round lab grown stones in the index: 414 USD per carat, -5.0% 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

$124 AUD

Highest Price

$1,802 AUD

Average Price

$585 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

27.6%

Price Spread

136.6%

30-Day Price Trend

-26.8%

30-Day Supply Change

-57.4%

Volatility (30d)

0.22

Price Range

Price per carat distribution across retailers

$619/ct

10th Percentile

$244

Median

$619

90th Percentile

$1,692

Score Distribution

55 diamonds scored across 4 quality tiers

Excellent

6 (10.9%)

Very Good

22 (40.0%)

Good

20 (36.4%)

Average

7 (12.7%)

Find Your Diamond

Search 17 I VVS2 round diamonds and compare prices.

Search Diamonds

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