1.00 - 1.49ct G I1 Lab Grown Round
As of April 2026, there are 1,350 lab grown round diamonds with G color and I1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from £54 GBP to £38,251 GBP, with an average of £1,685 GBP.
Last updated: April 2026
Available
1,350
Lowest Price
£54 GBP
Highest Price
£38,251 GBP
Average Price
£1,685 GBP
Market Intelligence
Retailers Selling
19
Cross Retailer %
84.8%
Price Spread
58.3%
30-Day Price Trend
+62.6%
30-Day Supply Change
+637.3%
Volatility (30d)
0.02
Price Range
Price per carat distribution across retailers
10th Percentile
$1,073
Median
$1,997
90th Percentile
$3,330
Score Distribution
1.4K diamonds scored across 4 quality tiers
Excellent
101 (7.5%)
Very Good
593 (43.9%)
Good
405 (30.0%)
Average
251 (18.6%)
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