How much does a 1.00 to 1.49ct G VS1 lab grown round diamond cost?

As of November 2026, 1.00 to 1.49ct G VS1 lab grown round diamonds typically cost $296 NZD to $1,493 NZD, with a median price of $670 NZD. There are currently 1,819 diamonds matching this specification available across retailers.

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

About 49% of these diamonds are available at multiple retailers, with an average price spread of 88%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct G VS1 Lab Grown Round

Quick answer

As of November 2026, there are 1,819 lab grown round diamonds with G colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $296 NZD to $1,493 NZD, with a median of $670 NZD. At least 49 retailers stock this exact specification, and 49% of the stones appear at more than one of them, with an average price spread of 88%. Half of all listings fall between $447 NZD and $1,031 NZD per carat. The same specification in natural form lists at a median of about $9,823 NZD per carat. Over the last 30 days the median price moved +5.7% and the number of listings moved -14.5%.

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: November 2026

Available

1,819

Lowest Price

$224 NZD

Highest Price

$3,538 NZD

Average Price

$850 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

48.7%

Price Spread

88.2%

30-Day Price Trend

+5.7%

30-Day Supply Change

-14.5%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$373/ct

10th Percentile

$172

Median

$373

90th Percentile

$805

Score Distribution

3.6K diamonds scored across 4 quality tiers

Excellent

1,382 (37.9%)

Very Good

379 (10.4%)

Good

793 (21.7%)

Average

1,093 (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