0.20 - 0.49ct J I1 Lab Grown Round
As of April 2026, there are 1,300 lab grown round diamonds with J color and I1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from £60 GBP to £139,337 GBP, with an average of £5,812 GBP.
Last updated: April 2026
Available
1,300
Lowest Price
£60 GBP
Highest Price
£139,337 GBP
Average Price
£5,812 GBP
Market Intelligence
Retailers Selling
5
Cross Retailer %
100.0%
Price Spread
94.0%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
0.07
Price Range
Price per carat distribution across retailers
10th Percentile
$303
Median
$458
90th Percentile
$1,088
Score Distribution
1.3K diamonds scored across 4 quality tiers
Excellent
13 (1.0%)
Very Good
459 (35.3%)
Good
374 (28.8%)
Average
454 (34.9%)
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