1.00 - 1.49ct E SI1 Lab Grown Marquise
As of April 2026, there are 1,130 lab grown marquise diamonds with E color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from £38 GBP to £9,850 GBP, with an average of £567 GBP.
Last updated: April 2026
Available
1,130
Lowest Price
£38 GBP
Highest Price
£9,850 GBP
Average Price
£567 GBP
Market Intelligence
Retailers Selling
27
Cross Retailer %
N/A
Price Spread
50.9%
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
$305
Median
$411
90th Percentile
$725
Score Distribution
1.1K diamonds scored across 4 quality tiers
Excellent
451 (39.9%)
Very Good
303 (26.8%)
Good
261 (23.1%)
Average
115 (10.2%)
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