How much does a 0.50 to 0.74ct G VS1 lab grown oval diamond cost?

As of October 2026, 0.50 to 0.74ct G VS1 lab grown oval diamonds typically cost $178 NZD to $1,136 NZD, with a median price of $712 NZD. There are currently 77 diamonds matching this specification available across retailers.

Where can I find the best price on a G VS1 oval diamond?

About 28% of these diamonds are available at multiple retailers, with an average price spread of 85%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct G VS1 Lab Grown Oval

Quick answer

As of October 2026, there are 77 lab grown oval diamonds with G colour and VS1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $178 NZD to $1,136 NZD, with a median of $712 NZD. At least 41 retailers stock this exact specification, and 28% of the stones appear at more than one of them, with an average price spread of 85%. Half of all listings fall between $606 NZD and $1,321 NZD per carat. The same specification in natural form lists at a median of about $3,719 NZD per carat. Over the last 30 days the median price moved +2.4% and the number of listings moved -7.9%.

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

$144 NZD

Highest Price

$2,522 NZD

Average Price

$654 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

27.7%

Price Spread

84.5%

30-Day Price Trend

+2.4%

30-Day Supply Change

-7.9%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$475/ct

10th Percentile

$217

Median

$475

90th Percentile

$1,029

Score Distribution

134 diamonds scored across 4 quality tiers

Excellent

20 (14.9%)

Very Good

20 (14.9%)

Good

59 (44.0%)

Average

35 (26.1%)

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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