How much does a 0.50 to 0.74ct J VS1 lab grown round diamond cost?

As of October 2026, 0.50 to 0.74ct J VS1 lab grown round diamonds typically cost $697 NZD to $1,556 NZD, with a median price of $1,061 NZD. There are currently 5 diamonds matching this specification available across retailers.

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

About 21% of these diamonds are available at multiple retailers, with an average price spread of 48%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct J VS1 Lab Grown Round

Quick answer

As of October 2026, there are 5 lab grown round diamonds with J colour and VS1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $697 NZD to $1,556 NZD, with a median of $1,061 NZD. At least 16 retailers stock this exact specification, and 21% of the stones appear at more than one of them, with an average price spread of 48%. Half of all listings fall between $1,403 NZD and $2,181 NZD per carat. The same specification in natural form lists at a median of about $2,385 NZD per carat. Over the last 30 days the median price moved -34.6% and the number of listings moved -73.2%.

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: October 2026

Available

Lowest Price

$451 NZD

Highest Price

$2,123 NZD

Average Price

$1,105 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

20.8%

Price Spread

48.1%

30-Day Price Trend

-34.6%

30-Day Supply Change

-73.2%

Volatility (30d)

0.25

Price Range

Price per carat distribution across retailers

$909/ct

10th Percentile

$606

Median

$909

90th Percentile

$2,021

Score Distribution

19 diamonds scored across 4 quality tiers

Excellent

1 (5.3%)

Very Good

2 (10.5%)

Good

6 (31.6%)

Average

10 (52.6%)

Find Your Diamond

Search 5 J VS1 round diamonds and compare prices.

Search Diamonds

Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

J VS2VS2 inclusions are not visible without magnification

Save 7%

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