1.50 - 1.99ct I SI1 Lab Grown Oval
As of April 2026, there are 1,797 lab grown oval diamonds with I color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from ￥9,701 JPY to ￥40,255,522 JPY, with an average of ￥508,299 JPY.
Last updated: April 2026
Available
1,797
Lowest Price
￥9,701 JPY
Highest Price
￥40,255,522 JPY
Average Price
￥508,299 JPY
Market Intelligence
Retailers Selling
21
Cross Retailer %
N/A
Price Spread
18.8%
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
$1,549
Median
$1,853
90th Percentile
$2,868
Score Distribution
1.8K diamonds scored across 4 quality tiers
Excellent
51 (2.8%)
Very Good
243 (13.5%)
Good
995 (55.4%)
Average
508 (28.3%)
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