1.00 - 1.49ct I SI2 Lab Grown Round
As of April 2026, there are 5,203 lab grown round diamonds with I color and SI2 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ￥8,060 JPY to ￥21,053,964 JPY, with an average of ￥370,935 JPY.
Last updated: April 2026
Available
5,203
Lowest Price
￥8,060 JPY
Highest Price
￥21,053,964 JPY
Average Price
￥370,935 JPY
Market Intelligence
Retailers Selling
41
Cross Retailer %
N/A
Price Spread
41.5%
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
$1,337
Median
$2,186
90th Percentile
$3,119
Score Distribution
5.2K diamonds scored across 4 quality tiers
Excellent
948 (18.2%)
Very Good
2,549 (49.0%)
Good
985 (18.9%)
Average
721 (13.9%)
Find Your Diamond
Search 5,203 I SI2 round diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.