1.00 to 1.49ct J SI1 Lab Grown Heart
Last updated: September 2026
Available
239
Lowest Price
£567 GBP
Highest Price
£3,859 GBP
Average Price
£1,333 GBP
Market Intelligence
Retailers Selling
9
Price Spread
63.6%
Price Range
Price per carat distribution across retailers
10th Percentile
$482
Median
$963
90th Percentile
$1,794
Score Distribution
239 diamonds scored across 4 quality tiers
Excellent
2 (0.8%)
Very Good
4 (1.7%)
Good
163 (68.2%)
Average
70 (29.3%)
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