How much does a 5.00ct+ I VVS2 lab grown cushion diamond cost?

As of September 2026, 5.00ct+ I VVS2 lab grown cushion diamonds typically cost $2,371 AUD to $16,911 AUD, with a median price of $7,062 AUD. There are currently 14 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS2 cushion diamond?

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5.00ct+ I VVS2 Lab Grown Cushion

Quick answer

As of September 2026, there are 14 lab grown cushion diamonds with I colour and VVS2 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $2,371 AUD to $16,911 AUD, with a median of $7,062 AUD. At least 18 retailers stock this exact specification. Half of all listings fall between $534 AUD and $1,364 AUD per carat. The same specification in natural form lists at a median of about $29,873 AUD per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Cushion lab grown stones in the index: 466 USD per carat, -14.7% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

$1,785 AUD

Highest Price

$21,867 AUD

Average Price

$8,158 AUD

Market Intelligence

Retailers Selling

Price Spread

87.3%

Price Range

Price per carat distribution across retailers

$682/ct

10th Percentile

$337

Median

$682

90th Percentile

$1,598

Score Distribution

14 diamonds scored across 4 quality tiers

Excellent

1 (7.1%)

Very Good

3 (21.4%)

Good

7 (50.0%)

Average

3 (21.4%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

J VVS2J colour is visually identical to I to the naked eye

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I VS1VS1 inclusions are not visible without magnification

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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