How much does a 0.20 to 0.49ct M VS1 lab grown round diamond cost?

As of November 6, 2026, 0.20 to 0.49ct M VS1 lab grown round diamonds typically cost $144 CAD to $373 CAD, with a median price of $234 CAD. There are currently 42 diamonds matching this specification available across retailers.

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

About 43% of these diamonds are available at multiple retailers, with an average price spread of 43%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct M VS1 Lab Grown Round

Quick answer

As of November 6, 2026, there are 42 lab grown round diamonds with M color and VS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $144 CAD to $373 CAD, with a median of $234 CAD. Half of all listings fall between $420 CAD and $712 CAD per carat. The same specification in natural form lists at a median of about $1,178 CAD per carat. Over the last 30 days the median price moved -7.5% and the number of listings moved +5.9%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Round lab grown stones in the index: 425 USD per carat, +1.7% month on month. See the full index release

Figures come from current listings across more than 125 retailers. The index is a monthly release.

Last updated: November 6, 2026

Available

Lowest Price

$133 CAD

Highest Price

$689 CAD

Average Price

$262 CAD

Market Intelligence

Cross Retailer %

42.9%

Price Spread

43.1%

30-Day Price Trend

-7.5%

30-Day Supply Change

+5.9%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$484/ct

10th Percentile

$291

Median

$484

90th Percentile

$672

Score Distribution

42 diamonds scored across 4 quality tiers

Excellent

8 (19.0%)

Very Good

10 (23.8%)

Good

1 (2.4%)

Average

23 (54.8%)

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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