How much does a 3.00 to 4.99ct I VVS1 lab grown round diamond cost?

As of October 2026, 3.00 to 4.99ct I VVS1 lab grown round diamonds typically cost $624 AUD to $1,591 AUD, with a median price of $873 AUD. There are currently 4 diamonds matching this specification available across retailers.

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

About 30% of these diamonds are available at multiple retailers, with an average price spread of 103%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct I VVS1 Lab Grown Round

Quick answer

As of October 2026, there are 4 lab grown round diamonds with I colour and VVS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $624 AUD to $1,591 AUD, with a median of $873 AUD. At least 39 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 103%. Half of all listings fall between $349 AUD and $976 AUD per carat. The same specification in natural form lists at a median of about $25,727 AUD per carat. Over the last 30 days the median price moved +5.7% and the number of listings moved +21.4%.

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

$582 AUD

Highest Price

$5,552 AUD

Average Price

$1,036 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

29.9%

Price Spread

103.4%

30-Day Price Trend

+5.7%

30-Day Supply Change

+21.4%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$427/ct

10th Percentile

$167

Median

$427

90th Percentile

$1,097

Score Distribution

7 diamonds scored across 2 quality tiers

Excellent

6 (85.7%)

Good

1 (14.3%)

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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