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

As of September 2026, 5.00ct+ I VS2 lab grown oval diamonds typically cost $13,454 AUD to $30,607 AUD, with a median price of $19,152 AUD. There are currently 630 diamonds matching this specification available across retailers.

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

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5.00ct+ I VS2 Lab Grown Oval

Quick answer

As of September 2026, there are 630 lab grown oval diamonds with I colour and VS2 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $13,454 AUD to $30,607 AUD, with a median of $19,152 AUD. At least 20 retailers stock this exact specification. Half of all listings fall between $676 AUD and $2,026 AUD per carat. The same specification in natural form lists at a median of about $31,291 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. Oval lab grown stones in the index: 487 USD per carat, -11.2% 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

630

Lowest Price

$930 AUD

Highest Price

$37,673 AUD

Average Price

$20,668 AUD

Market Intelligence

Retailers Selling

Price Spread

144.2%

Price Range

Price per carat distribution across retailers

$671/ct

10th Percentile

$279

Median

$671

90th Percentile

$2,533

Score Distribution

630 diamonds scored across 4 quality tiers

Excellent

7 (1.1%)

Very Good

21 (3.3%)

Good

15 (2.4%)

Average

587 (93.2%)

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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