1.00 - 1.49ct H SI1 Lab Grown Radiant
As of April 2026, there are 271 lab grown radiant diamonds with H color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ￥22,925 JPY to ￥6,063,881 JPY, with an average of ￥325,523 JPY.
Last updated: April 2026
Available
271
Lowest Price
￥22,925 JPY
Highest Price
￥6,063,881 JPY
Average Price
￥325,523 JPY
Market Intelligence
Retailers Selling
25
Cross Retailer %
N/A
Price Spread
31.1%
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
$411
Median
$1,375
90th Percentile
$2,557
Score Distribution
271 diamonds scored across 4 quality tiers
Excellent
50 (18.5%)
Very Good
107 (39.5%)
Good
85 (31.4%)
Average
29 (10.7%)
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