1.50 - 1.99ct J SI2 Lab Grown Round
As of April 2026, there are 3,905 lab grown round diamonds with J color and SI2 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from ￥12,537 JPY to ￥29,046,845 JPY, with an average of ￥490,890 JPY.
Last updated: April 2026
Available
3,905
Lowest Price
￥12,537 JPY
Highest Price
￥29,046,845 JPY
Average Price
￥490,890 JPY
Market Intelligence
Retailers Selling
27
Cross Retailer %
N/A
Price Spread
72.7%
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
$1,258
Median
$2,141
90th Percentile
$3,981
Score Distribution
3.9K diamonds scored across 4 quality tiers
Excellent
314 (8.1%)
Very Good
1,607 (41.2%)
Good
1,197 (30.7%)
Average
781 (20.0%)
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