5.00ct+ I SI1 Lab Grown Marquise
As of April 2026, there are 140 lab grown marquise diamonds with I color and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from $67 USD to $54,306 USD, with an average of $3,907 USD.
Last updated: April 2026
Available
140
Lowest Price
$67 USD
Highest Price
$54,306 USD
Average Price
$3,907 USD
Market Intelligence
Retailers Selling
12
Cross Retailer %
N/A
Price Spread
67.9%
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
$218
Median
$404
90th Percentile
$1,463
Score Distribution
140 diamonds scored across 4 quality tiers
Excellent
8 (5.7%)
Very Good
38 (27.1%)
Good
71 (50.7%)
Average
23 (16.4%)
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