1.00 - 1.49ct D I1 Lab Grown Round
As of April 2026, there are 625 lab grown round diamonds with D color and I1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ￥11,343 JPY to ￥6,543,134 JPY, with an average of ￥286,725 JPY.
Last updated: April 2026
Available
625
Lowest Price
￥11,343 JPY
Highest Price
￥6,543,134 JPY
Average Price
￥286,725 JPY
Market Intelligence
Retailers Selling
22
Cross Retailer %
80.5%
Price Spread
38.3%
30-Day Price Trend
+52.0%
30-Day Supply Change
+844.3%
Volatility (30d)
0.02
Price Range
Price per carat distribution across retailers
10th Percentile
$1,493
Median
$2,410
90th Percentile
$3,476
Score Distribution
625 diamonds scored across 4 quality tiers
Excellent
38 (6.1%)
Very Good
263 (42.1%)
Good
223 (35.7%)
Average
101 (16.2%)
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