1.00 - 1.49ct E SI1 Lab Grown Heart
As of April 2026, there are 540 lab grown heart diamonds with E color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ￥8,275 JPY to ￥14,646,270 JPY, with an average of ￥182,345 JPY.
Last updated: April 2026
Available
540
Lowest Price
￥8,275 JPY
Highest Price
￥14,646,270 JPY
Average Price
￥182,345 JPY
Market Intelligence
Retailers Selling
28
Cross Retailer %
N/A
Price Spread
63.2%
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
$316
Median
$510
90th Percentile
$1,633
Score Distribution
540 diamonds scored across 4 quality tiers
Excellent
219 (40.6%)
Very Good
159 (29.4%)
Good
72 (13.3%)
Average
90 (16.7%)
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