How much does a 5.00ct+ I VVS1 lab grown round diamond cost?

As of October 2026, 5.00ct+ I VVS1 lab grown round diamonds typically cost $2,680 NZD to $3,224 NZD, with a median price of $2,952 NZD. There are currently 1 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS1 round diamond?

About 100% of these diamonds are available at multiple retailers, with an average price spread of 75%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ I VVS1 Lab Grown Round

Quick answer

As of October 2026, there are 1 lab grown round diamonds with I colour and VVS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $2,680 NZD to $3,224 NZD, with a median of $2,952 NZD. At least 17 retailers stock this exact specification, and 100% of the stones appear at more than one of them, with an average price spread of 75%. Half of all listings fall between $574 NZD and $1,212 NZD per carat. The same specification in natural form lists at a median of about $68,703 NZD per carat. Over the last 30 days the median price moved -10.3% and the number of listings moved +26.3%.

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

5.61ct Round I VVS1, IGI, grade A, from $2,612 NZD

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

$2,612 NZD

Highest Price

$8,667 NZD

Average Price

$2,952 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

100.0%

Price Spread

75.5%

30-Day Price Trend

-10.3%

30-Day Supply Change

+26.3%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$475/ct

10th Percentile

$295

Median

$475

90th Percentile

$983

Score Distribution

2 diamonds scored across 2 quality tiers

Excellent

1 (50.0%)

Very Good

1 (50.0%)

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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