How much does a 0.50 to 0.74ct I VS2 lab grown round diamond cost?

As of October 2026, 0.50 to 0.74ct I VS2 lab grown round diamonds typically cost $427 AUD to $1,465 AUD, with a median price of $557 AUD. There are currently 68 diamonds matching this specification available across retailers.

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

About 39% of these diamonds are available at multiple retailers, with an average price spread of 155%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct I VS2 Lab Grown Round

Quick answer

As of October 2026, there are 68 lab grown round diamonds with I colour and VS2 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $427 AUD to $1,465 AUD, with a median of $557 AUD. At least 34 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 155%. Half of all listings fall between $967 AUD and $3,078 AUD per carat. The same specification in natural form lists at a median of about $2,360 AUD per carat. Over the last 30 days the median price moved -26.1% and the number of listings moved -34.6%.

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

$255 AUD

Highest Price

$4,325 AUD

Average Price

$800 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

39.2%

Price Spread

154.8%

30-Day Price Trend

-26.1%

30-Day Supply Change

-34.6%

Volatility (30d)

0.09

Price Range

Price per carat distribution across retailers

$960/ct

10th Percentile

$600

Median

$960

90th Percentile

$2,797

Score Distribution

92 diamonds scored across 4 quality tiers

Excellent

38 (41.3%)

Very Good

21 (22.8%)

Good

26 (28.3%)

Average

7 (7.6%)

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Save money without compromising on what matters. These alternatives are visually similar but cost less.

J VS2J colour is visually identical to I to the naked eye

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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