3.00 - 4.99ct I SI1 Lab Grown Heart
As of April 2026, there are 228 lab grown heart diamonds with I color and SI1 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from £235 GBP to £58,430 GBP, with an average of £2,650 GBP.
Last updated: April 2026
Available
228
Lowest Price
£235 GBP
Highest Price
£58,430 GBP
Average Price
£2,650 GBP
Market Intelligence
Retailers Selling
18
Cross Retailer %
N/A
Price Spread
119.8%
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
$290
Median
$1,099
90th Percentile
$6,287
Score Distribution
228 diamonds scored across 4 quality tiers
Excellent
20 (8.8%)
Very Good
78 (34.2%)
Good
88 (38.6%)
Average
42 (18.4%)
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