How much does a 5.00ct+ I SI1 lab grown pear diamond cost?

As of October 2026, 5.00ct+ I SI1 lab grown pear diamonds typically cost $87,510 AUD to $485,944 AUD, with a median price of $427,265 AUD. There are currently 1 diamonds matching this specification available across retailers.

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

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5.00ct+ I SI1 Lab Grown Pear

Quick answer

As of October 2026, there are 1 lab grown pear diamonds with I colour and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $87,510 AUD to $485,944 AUD, with a median of $427,265 AUD. The same specification in natural form lists at a median of about $22,703 AUD per carat.

Three of the best scored stones at this specification right now:

5.05ct Pear I SI1, IGI, grade B+, from $2,571 AUD

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 lab grown stones in the index: 452 USD per carat, -5.1% 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

$2,571 AUD

Highest Price

$500,613 AUD

Average Price

$310,150 AUD

Score Distribution

3 diamonds scored across 2 quality tiers

Very Good

1 (33.3%)

Good

2 (66.7%)

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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