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

As of October 2026, 0.50 to 0.74ct G VS1 lab grown cushion diamonds typically cost $318 NZD to $1,290 NZD, with a median price of $762 NZD. There are currently 45 diamonds matching this specification available across retailers.

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

About 35% 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 Cushion

Quick answer

As of October 2026, there are 45 lab grown cushion diamonds with G colour and VS1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $318 NZD to $1,290 NZD, with a median of $762 NZD. At least 37 retailers stock this exact specification, and 35% of the stones appear at more than one of them, with an average price spread of 85%. Half of all listings fall between $799 NZD and $1,790 NZD per carat. The same specification in natural form lists at a median of about $2,459 NZD per carat. Over the last 30 days the median price moved +1.2% and the number of listings moved -0.8%.

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. Cushion lab grown stones in the index: 516 USD per carat, +6.9% 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

$295 NZD

Highest Price

$2,947 NZD

Average Price

$837 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

34.6%

Price Spread

85.4%

30-Day Price Trend

+1.2%

30-Day Supply Change

-0.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$654/ct

10th Percentile

$352

Median

$654

90th Percentile

$1,682

Score Distribution

66 diamonds scored across 4 quality tiers

Excellent

14 (21.2%)

Very Good

11 (16.7%)

Good

31 (47.0%)

Average

10 (15.2%)

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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