How much does a 0.75 to 0.99ct J VS1 lab grown round diamond cost?

As of October 2026, 0.75 to 0.99ct J VS1 lab grown round diamonds typically cost $666 AUD to $6,351 AUD, with a median price of $2,067 AUD. There are currently 10 diamonds matching this specification available across retailers.

Where can I find the best price on a J VS1 round diamond?

About 22% of these diamonds are available at multiple retailers, with an average price spread of 127%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct J VS1 Lab Grown Round

Quick answer

As of October 2026, there are 10 lab grown round diamonds with J colour and VS1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $666 AUD to $6,351 AUD, with a median of $2,067 AUD. At least 27 retailers stock this exact specification, and 22% of the stones appear at more than one of them, with an average price spread of 127%. Half of all listings fall between $963 AUD and $2,865 AUD per carat. The same specification in natural form lists at a median of about $2,694 AUD per carat. Over the last 30 days the median price moved -22.7% and the number of listings moved -62.6%.

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

$278 AUD

Highest Price

$6,697 AUD

Average Price

$3,163 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

21.9%

Price Spread

127.0%

30-Day Price Trend

-22.7%

30-Day Supply Change

-62.6%

Volatility (30d)

0.11

Price Range

Price per carat distribution across retailers

$1,052/ct

10th Percentile

$318

Median

$1,052

90th Percentile

$4,685

Score Distribution

32 diamonds scored across 4 quality tiers

Excellent

4 (12.5%)

Very Good

3 (9.4%)

Good

8 (25.0%)

Average

17 (53.1%)

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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