3.00 - 4.99ct G SI1 Lab Grown Cushion
As of April 2026, there are 489 lab grown cushion diamonds with G color and SI1 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from £154 GBP to £47,597 GBP, with an average of £1,088 GBP.
Last updated: April 2026
Available
489
Lowest Price
£154 GBP
Highest Price
£47,597 GBP
Average Price
£1,088 GBP
Market Intelligence
Retailers Selling
35
Cross Retailer %
N/A
Price Spread
111.9%
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
$225
Median
$379
90th Percentile
$1,265
Score Distribution
489 diamonds scored across 4 quality tiers
Excellent
124 (25.4%)
Very Good
153 (31.3%)
Good
120 (24.5%)
Average
92 (18.8%)
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