How much does a 5.00ct+ I VS2 lab grown round diamond cost?

As of October 2026, 5.00ct+ I VS2 lab grown round diamonds typically cost $3,685 NZD to $11,344 NZD, with a median price of $7,578 NZD. There are currently 4 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS2 round diamond?

About 38% of these diamonds are available at multiple retailers, with an average price spread of 81%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ I VS2 Lab Grown Round

Quick answer

As of October 2026, there are 4 lab grown round diamonds with I colour and VS2 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $3,685 NZD to $11,344 NZD, with a median of $7,578 NZD. At least 31 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 81%. Half of all listings fall between $738 NZD and $1,522 NZD per carat. The same specification in natural form lists at a median of about $50,118 NZD per carat. Over the last 30 days the median price moved -12.4% and the number of listings moved +19.5%.

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. Round lab grown stones in the index: 414 USD per carat, -5.0% 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

$2,550 NZD

Highest Price

$17,885 NZD

Average Price

$7,327 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

38.4%

Price Spread

80.8%

30-Day Price Trend

-12.4%

30-Day Supply Change

+19.5%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$546/ct

10th Percentile

$301

Median

$546

90th Percentile

$1,465

Score Distribution

10 diamonds scored across 4 quality tiers

Excellent

1 (10.0%)

Very Good

2 (20.0%)

Good

4 (40.0%)

Average

3 (30.0%)

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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