0.20 - 0.49ct I SI1 Lab Grown Marquise
As of April 2026, there are 137 lab grown marquise diamonds with I color and SI1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from $67 USD to $45,459 USD, with an average of $3,238 USD.
Last updated: April 2026
Available
137
Lowest Price
$67 USD
Highest Price
$45,459 USD
Average Price
$3,238 USD
Market Intelligence
Retailers Selling
13
Cross Retailer %
N/A
Price Spread
49.0%
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
$586
Median
$1,092
90th Percentile
$2,073
Score Distribution
137 diamonds scored across 4 quality tiers
Excellent
15 (10.9%)
Very Good
48 (35.0%)
Good
56 (40.9%)
Average
18 (13.1%)
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