1.00 - 1.49ct I SI1 Lab Grown Oval
As of April 2026, there are 1,526 lab grown oval diamonds with I color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ￥9,701 JPY to ￥40,255,522 JPY, with an average of ￥413,787 JPY.
Last updated: April 2026
Available
1,526
Lowest Price
￥9,701 JPY
Highest Price
￥40,255,522 JPY
Average Price
￥413,787 JPY
Market Intelligence
Retailers Selling
29
Cross Retailer %
N/A
Price Spread
50.8%
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
$1,230
Median
$1,800
90th Percentile
$2,566
Score Distribution
1.5K diamonds scored across 4 quality tiers
Excellent
55 (3.6%)
Very Good
844 (55.3%)
Good
359 (23.5%)
Average
268 (17.6%)
Find Your Diamond
Search 1,526 I SI1 oval diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.