How much does a 3.00 to 4.99ct I SI1 natural pear diamond cost?

As of October 2026, 3.00 to 4.99ct I SI1 natural pear diamonds typically cost $29,617 AUD to $89,994 AUD, with a median price of $56,120 AUD. There are currently 116 diamonds matching this specification available across retailers.

Where can I find the best price on a I SI1 pear diamond?

About 34% of these diamonds are available at multiple retailers, with an average price spread of 45%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct I SI1 Natural Pear

Quick answer

As of October 2026, there are 116 natural pear diamonds with I colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $29,617 AUD to $89,994 AUD, with a median of $56,120 AUD. At least 57 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 45%. Half of all listings fall between $12,351 AUD and $19,738 AUD per carat. The same specification in lab grown form lists at a median of about $436 AUD per carat. Over the last 30 days the median price moved -5.4% and the number of listings moved +18.1%.

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. Pear natural stones in the index: 2,307 USD per carat, +13.7% 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

116

Lowest Price

$19,284 AUD

Highest Price

$171,435 AUD

Average Price

$60,255 AUD