1.00 - 1.49ct I SI1 Lab Grown Princess
As of April 2026, there are 322 lab grown princess diamonds with I color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ￥38,806 JPY to ￥26,830,597 JPY, with an average of ￥467,595 JPY.
Last updated: April 2026
Available
322
Lowest Price
￥38,806 JPY
Highest Price
￥26,830,597 JPY
Average Price
￥467,595 JPY
Market Intelligence
Retailers Selling
19
Cross Retailer %
N/A
Price Spread
8.0%
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
$1,222
Median
$1,384
90th Percentile
$2,600
Score Distribution
322 diamonds scored across 4 quality tiers
Excellent
13 (4.0%)
Very Good
83 (25.8%)
Good
165 (51.2%)
Average
61 (18.9%)
Find Your Diamond
Search 322 I SI1 princess diamonds and compare prices.
Search Diamonds