How much does a 0.20 to 0.49ct G VS1 lab grown cushion diamond cost?

As of October 2026, 0.20 to 0.49ct G VS1 lab grown cushion diamonds typically cost $110 USD to $236 USD, with a median price of $111 USD. There are currently 5 diamonds matching this specification available across retailers.

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

About 48% of these diamonds are available at multiple retailers, with an average price spread of 53%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct G VS1 Lab Grown Cushion

Quick answer

As of October 2026, there are 5 lab grown cushion diamonds with G color and VS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $110 USD to $236 USD, with a median of $111 USD. At least 17 retailers stock this exact specification, and 48% of the stones appear at more than one of them, with an average price spread of 53%. Half of all listings fall between $394 USD and $679 USD per carat. The same specification in natural form lists at a median of about $1,690 USD per carat. Over the last 30 days the median price moved -6.3% and the number of listings moved -4.2%.

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. 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

$110 USD

Highest Price

$317 USD

Average Price

$152 USD

Market Intelligence

Retailers Selling

Cross Retailer %

48.0%

Price Spread

53.4%

30-Day Price Trend

-6.3%

30-Day Supply Change

-4.2%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$535/ct

10th Percentile

$329

Median

$535

90th Percentile

$782

Score Distribution

6 diamonds scored across 3 quality tiers

Excellent

4 (66.7%)

Good

1 (16.7%)

Average

1 (16.7%)

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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