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 $2,923 NZD to $20,837 NZD, with a median price of $8,701 NZD. 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 $2,923 NZD to $20,837 NZD, with a median of $8,701 NZD. At least 20 retailers stock this exact specification. Half of all listings fall between $567 NZD and $1,705 NZD per carat. The same specification in natural form lists at a median of about $36,723 NZD 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

$2,199 NZD

Highest Price

$26,944 NZD

Average Price

$10,053 NZD

Market Intelligence

Retailers Selling

Price Spread

100.0%

Price Range

Price per carat distribution across retailers

$663/ct

10th Percentile

$255

Median

$663

90th Percentile

$1,268

Score Distribution

14 diamonds scored across 4 quality tiers

Excellent

1 (7.1%)

Very Good

2 (14.3%)

Good

8 (57.1%)

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