0.20 - 0.49ct J SI1 Lab Grown Marquise
As of April 2026, there are 102 lab grown marquise diamonds with J color and SI1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from $188 CAD to $55,880 CAD, with an average of $3,697 CAD.
Last updated: April 2026
Available
102
Lowest Price
$188 CAD
Highest Price
$55,880 CAD
Average Price
$3,697 CAD
Market Intelligence
Retailers Selling
5
Cross Retailer %
N/A
Price Spread
83.5%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A
Price Range
Price per carat distribution across retailers
10th Percentile
$696
Median
$1,018
90th Percentile
$2,269
Score Distribution
102 diamonds scored across 4 quality tiers
Excellent
6 (5.9%)
Very Good
42 (41.2%)
Good
38 (37.3%)
Average
16 (15.7%)
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