How much does a 1.50 to 1.99ct I VS1 natural asscher diamond cost?

As of October 2026, 1.50 to 1.99ct I VS1 natural asscher diamonds typically cost $7,909 NZD to $18,767 NZD, with a median price of $11,428 NZD. There are currently 131 diamonds matching this specification available across retailers.

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

About 33% of these diamonds are available at multiple retailers, with an average price spread of 48%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct I VS1 Natural Asscher

Quick answer

As of October 2026, there are 131 natural asscher diamonds with I colour and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $7,909 NZD to $18,767 NZD, with a median of $11,428 NZD. At least 61 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 48%. Half of all listings fall between $6,286 NZD and $9,899 NZD per carat. The same specification in lab grown form lists at a median of about $994 NZD per carat. Over the last 30 days the median price moved -0.5% and the number of listings moved +13.7%.

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. Asscher natural stones in the index: 2,504 USD per carat, -3.3% 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

131

Lowest Price

$5,201 NZD

Highest Price

$36,788 NZD

Average Price

$12,777 NZD