0.20 - 0.49ct J SI1 Lab Grown Marquise
As of April 2026, there are 104 lab grown marquise diamonds with J color and SI1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from €128 EUR to €37,937 EUR, with an average of €2,480 EUR.
Last updated: April 2026
Available
104
Lowest Price
€128 EUR
Highest Price
€37,937 EUR
Average Price
€2,480 EUR
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
104 diamonds scored across 4 quality tiers
Excellent
6 (5.8%)
Very Good
43 (41.3%)
Good
39 (37.5%)
Average
16 (15.4%)
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