How much does a 5.00ct+ G SI1 natural asscher diamond cost?

As of October 2026, 5.00ct+ G SI1 natural asscher diamonds typically cost $132,804 CAD to $236,453 CAD, with a median price of $155,990 CAD. There are currently 3 diamonds matching this specification available across retailers.

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

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5.00ct+ G SI1 Natural Asscher

Quick answer

As of October 2026, there are 3 natural asscher diamonds with G color and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $132,804 CAD to $236,453 CAD, with a median of $155,990 CAD. The same specification in lab grown form lists at a median of about $515 CAD per carat.

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

Lowest Price

$127,098 CAD

Highest Price

$267,427 CAD

Average Price

$175,082 CAD

Score Distribution

6 diamonds scored across 2 quality tiers

Very Good

3 (50.0%)

Average

3 (50.0%)

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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