1.50 - 1.99ct J SI1 Lab Grown Round
As of April 2026, there are 4,844 lab grown round diamonds with J color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from £84 GBP to £59,590 GBP, with an average of £1,838 GBP.
Last updated: April 2026
Available
4,844
Lowest Price
£84 GBP
Highest Price
£59,590 GBP
Average Price
£1,838 GBP
Market Intelligence
Retailers Selling
31
Cross Retailer %
N/A
Price Spread
75.7%
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
$1,164
Median
$1,769
90th Percentile
$3,833
Score Distribution
4.8K diamonds scored across 4 quality tiers
Excellent
951 (19.6%)
Very Good
1,994 (41.2%)
Good
1,290 (26.6%)
Average
609 (12.6%)
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