1.00 to 1.49ct J SI1 Lab Grown Round
Last updated: September 2026
Available
1,102
Lowest Price
£147 GBP
Highest Price
£7,436 GBP
Average Price
£1,188 GBP
Market Intelligence
Retailers Selling
22
Price Spread
29.9%
Price Range
Price per carat distribution across retailers
10th Percentile
$1,378
Median
$1,392
90th Percentile
$2,906
Score Distribution
1.1K diamonds scored across 4 quality tiers
Excellent
26 (2.4%)
Very Good
756 (68.6%)
Good
251 (22.8%)
Average
69 (6.3%)
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