How much does a 0.20 to 0.49ct G VVS1 lab grown oval diamond cost?

As of October 2026, 0.20 to 0.49ct G VVS1 lab grown oval diamonds typically cost $245 NZD to $914 NZD, with a median price of $588 NZD. There are currently 9 diamonds matching this specification available across retailers.

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

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0.20 to 0.49ct G VVS1 Lab Grown Oval

Quick answer

As of October 2026, there are 9 lab grown oval diamonds with G colour and VVS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $245 NZD to $914 NZD, with a median of $588 NZD. The same specification in natural form lists at a median of about $3,099 NZD per carat.

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. Oval lab grown stones in the index: 453 USD per carat, -7.4% 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

$217 NZD

Highest Price

$1,656 NZD

Average Price

$567 NZD

Score Distribution

19 diamonds scored across 4 quality tiers

Excellent

3 (15.8%)

Very Good

4 (21.1%)

Good

7 (36.8%)

Average

5 (26.3%)

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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