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

As of November 2026, 5.00ct+ G SI1 lab grown asscher diamonds typically cost $1,571 NZD to $30,855 NZD, with a median price of $2,785 NZD. There are currently 8 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 Lab Grown Asscher

Quick answer

As of November 2026, there are 8 lab grown asscher diamonds with G colour and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $1,571 NZD to $30,855 NZD, with a median of $2,785 NZD.

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

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Asscher lab grown stones in the index: 495 USD per carat, +1.5% 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: November 2026

Available

Lowest Price

$1,132 NZD

Highest Price

$73,039 NZD

Average Price

$11,047 NZD

Score Distribution

17 diamonds scored across 4 quality tiers

Excellent

6 (35.3%)

Very Good

2 (11.8%)

Good

3 (17.6%)

Average

6 (35.3%)

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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