1.00 - 1.49ct H I1 Lab Grown Round
As of April 2026, there are 1,338 lab grown round diamonds with H color and I1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from £64 GBP to £27,331 GBP, with an average of £1,247 GBP.
Last updated: April 2026
Available
1,338
Lowest Price
£64 GBP
Highest Price
£27,331 GBP
Average Price
£1,247 GBP
Market Intelligence
Retailers Selling
19
Cross Retailer %
78.9%
Price Spread
60.9%
30-Day Price Trend
+50.9%
30-Day Supply Change
+740.5%
Volatility (30d)
0.02
Price Range
Price per carat distribution across retailers
10th Percentile
$967
Median
$1,824
90th Percentile
$2,946
Score Distribution
1.3K diamonds scored across 4 quality tiers
Excellent
69 (5.2%)
Very Good
610 (45.6%)
Good
437 (32.7%)
Average
222 (16.6%)
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