1.50 - 1.99ct I SI2 Lab Grown Round
As of April 2026, there are 4,906 lab grown round diamonds with I color and SI2 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from £70 GBP to £70,900 GBP, with an average of £1,519 GBP.
Last updated: April 2026
Available
4,906
Lowest Price
£70 GBP
Highest Price
£70,900 GBP
Average Price
£1,519 GBP
Market Intelligence
Retailers Selling
30
Cross Retailer %
N/A
Price Spread
97.1%
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
$1,294
Median
$2,750
90th Percentile
$5,442
Score Distribution
4.9K diamonds scored across 4 quality tiers
Excellent
919 (18.7%)
Very Good
2,497 (50.9%)
Good
870 (17.7%)
Average
620 (12.6%)
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