0.50 - 0.74ct J I1 Lab Grown Round
As of April 2026, there are 1,296 lab grown round diamonds with J color and I1 clarity in the 0.50 - 0.74ct range available across retailers worldwide. Prices range from ￥11,343 JPY to ￥26,411,642 JPY, with an average of ￥1,104,212 JPY.
Last updated: April 2026
Available
1,296
Lowest Price
￥11,343 JPY
Highest Price
￥26,411,642 JPY
Average Price
￥1,104,212 JPY
Market Intelligence
Retailers Selling
17
Cross Retailer %
56.3%
Price Spread
55.6%
30-Day Price Trend
+33.7%
30-Day Supply Change
+352.9%
Volatility (30d)
0.03
Price Range
Price per carat distribution across retailers
10th Percentile
$441
Median
$891
90th Percentile
$1,575
Score Distribution
1.3K diamonds scored across 4 quality tiers
Excellent
14 (1.1%)
Very Good
458 (35.3%)
Good
372 (28.7%)
Average
452 (34.9%)
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