3.00 to 4.99ct E SI1 Lab Grown Marquise
Last updated: June 2026
Available
1,210
Lowest Price
£57 GBP
Highest Price
£10,472 GBP
Average Price
£666 GBP
Market Intelligence
Retailers Selling
17
Cross Retailer %
N/A
Price Spread
51.1%
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
$210
Median
$308
90th Percentile
$608
Score Distribution
1.2K diamonds scored across 4 quality tiers
Excellent
450 (37.2%)
Very Good
352 (29.1%)
Good
223 (18.4%)
Average
185 (15.3%)
Find Your Diamond
Search 1,210 E SI1 marquise diamonds and compare prices.
Search Diamonds