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

As of October 2026, 5.00ct+ I VVS2 lab grown cushion diamonds typically cost $2,450 AUD to $8,350 AUD, with a median price of $5,968 AUD. There are currently 8 diamonds matching this specification available across retailers.

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

About 26% of these diamonds are available at multiple retailers, with an average price spread of 127%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ I VVS2 Lab Grown Cushion

Quick answer

As of October 2026, there are 8 lab grown cushion diamonds with I colour and VVS2 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $2,450 AUD to $8,350 AUD, with a median of $5,968 AUD. At least 28 retailers stock this exact specification, and 26% of the stones appear at more than one of them, with an average price spread of 127%. Half of all listings fall between $462 AUD and $1,363 AUD per carat. The same specification in natural form lists at a median of about $33,388 AUD per carat. Over the last 30 days the median price moved -9.5% and the number of listings moved +5.7%.

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. Cushion lab grown stones in the index: 516 USD per carat, +6.9% 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

$1,760 AUD

Highest Price

$21,553 AUD

Average Price

$6,396 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

26.1%

Price Spread

126.5%

30-Day Price Trend

-9.5%

30-Day Supply Change

+5.7%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$500/ct

10th Percentile

$246

Median

$500

90th Percentile

$1,330

Score Distribution

13 diamonds scored across 4 quality tiers

Excellent

2 (15.4%)

Very Good

6 (46.2%)

Good

4 (30.8%)

Average

1 (7.7%)

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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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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