How much does a 1.50 to 1.99ct I VS2 natural cushion diamond cost?

As of October 2026, 1.50 to 1.99ct I VS2 natural cushion diamonds typically cost $4,971 AUD to $13,297 AUD, with a median price of $8,167 AUD. There are currently 510 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 58%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct I VS2 Natural Cushion

Quick answer

As of October 2026, there are 510 natural cushion diamonds with I colour and VS2 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $4,971 AUD to $13,297 AUD, with a median of $8,167 AUD. At least 62 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 58%. Half of all listings fall between $4,623 AUD and $8,228 AUD per carat. The same specification in lab grown form lists at a median of about $894 AUD per carat. Over the last 30 days the median price moved -0.9% and the number of listings moved +5.5%.

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. Cushion natural stones in the index: 2,948 USD per carat, +1.7% 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

510

Lowest Price

$3,331 AUD

Highest Price

$30,417 AUD

Average Price

$8,696 AUD