0.20 - 0.49ct I SI1 Lab Grown Heart
As of April 2026, there are 229 lab grown heart diamonds with I color and SI1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from £235 GBP to £58,430 GBP, with an average of £2,634 GBP.
Last updated: April 2026
Available
229
Lowest Price
£235 GBP
Highest Price
£58,430 GBP
Average Price
£2,634 GBP
Market Intelligence
Retailers Selling
14
Cross Retailer %
N/A
Price Spread
40.3%
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
$895
Median
$1,314
90th Percentile
$1,986
Score Distribution
229 diamonds scored across 4 quality tiers
Excellent
18 (7.9%)
Very Good
81 (35.4%)
Good
89 (38.9%)
Average
41 (17.9%)
Find Your Diamond
Search 229 I SI1 heart diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.