1.00 - 1.49ct H I1 Lab Grown Round
As of April 2026, there are 1,392 lab grown round diamonds with H color and I1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ￥12,090 JPY to ￥9,498,582 JPY, with an average of ￥308,878 JPY.
Last updated: April 2026
Available
1,392
Lowest Price
￥12,090 JPY
Highest Price
￥9,498,582 JPY
Average Price
￥308,878 JPY
Market Intelligence
Retailers Selling
19
Cross Retailer %
80.9%
Price Spread
59.7%
30-Day Price Trend
+50.9%
30-Day Supply Change
+740.5%
Volatility (30d)
0.02
Price Range
Price per carat distribution across retailers
10th Percentile
$951
Median
$1,783
90th Percentile
$2,853
Score Distribution
1.4K diamonds scored across 4 quality tiers
Excellent
77 (5.5%)
Very Good
613 (44.0%)
Good
436 (31.3%)
Average
266 (19.1%)
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