1.50 - 1.99ct E SI1 Lab Grown Radiant
As of April 2026, there are 2,139 lab grown radiant diamonds with E color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from ￥20,955 JPY to ￥2,247,319 JPY, with an average of ￥131,270 JPY.
Last updated: April 2026
Available
2,139
Lowest Price
￥20,955 JPY
Highest Price
￥2,247,319 JPY
Average Price
￥131,270 JPY
Market Intelligence
Retailers Selling
32
Cross Retailer %
N/A
Price Spread
61.8%
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
$205
Median
$398
90th Percentile
$927
Score Distribution
2.1K diamonds scored across 4 quality tiers
Excellent
906 (42.4%)
Very Good
655 (30.6%)
Good
351 (16.4%)
Average
227 (10.6%)
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