3.00 - 4.99ct G SI1 Lab Grown Marquise
As of April 2026, there are 284 lab grown marquise diamonds with G color and SI1 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from £106 GBP to £8,371 GBP, with an average of £896 GBP.
Last updated: April 2026
Available
284
Lowest Price
£106 GBP
Highest Price
£8,371 GBP
Average Price
£896 GBP
Market Intelligence
Retailers Selling
22
Cross Retailer %
N/A
Price Spread
54.9%
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
$222
Median
$293
90th Percentile
$586
Score Distribution
284 diamonds scored across 4 quality tiers
Excellent
82 (28.9%)
Very Good
66 (23.2%)
Good
85 (29.9%)
Average
51 (18.0%)
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