1.00 - 1.49ct G SI1 Lab Grown Heart
As of April 2026, there are 342 lab grown heart diamonds with G color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from £137 GBP to £25,913 GBP, with an average of £1,382 GBP.
Last updated: April 2026
Available
342
Lowest Price
£137 GBP
Highest Price
£25,913 GBP
Average Price
£1,382 GBP
Market Intelligence
Retailers Selling
27
Cross Retailer %
N/A
Price Spread
69.7%
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
$432
Median
$1,345
90th Percentile
$2,164
Score Distribution
342 diamonds scored across 4 quality tiers
Excellent
65 (19.0%)
Very Good
121 (35.4%)
Good
80 (23.4%)
Average
76 (22.2%)
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