1.00 - 1.49ct H SI1 Lab Grown Heart
As of April 2026, there are 258 lab grown heart diamonds with H color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ￥28,507 JPY to ￥20,430,298 JPY, with an average of ￥612,579 JPY.
Last updated: April 2026
Available
258
Lowest Price
￥28,507 JPY
Highest Price
￥20,430,298 JPY
Average Price
￥612,579 JPY
Market Intelligence
Retailers Selling
21
Cross Retailer %
N/A
Price Spread
27.8%
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
$1,238
Median
$1,505
90th Percentile
$2,294
Score Distribution
258 diamonds scored across 4 quality tiers
Excellent
40 (15.5%)
Very Good
92 (35.7%)
Good
69 (26.7%)
Average
57 (22.1%)
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