0.20 - 0.49ct I SI1 Natural Round
As of April 2026, there are 21,373 natural round diamonds with I color and SI1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from ￥14,030 JPY to ￥66,924,170 JPY, with an average of ￥856,755 JPY.
Last updated: April 2026
Available
21,373
Lowest Price
￥14,030 JPY
Highest Price
￥66,924,170 JPY
Average Price
￥856,755 JPY
Market Intelligence
Retailers Selling
31
Cross Retailer %
N/A
Price Spread
50.9%
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
$944
Median
$1,534
90th Percentile
$2,461
Score Distribution
21.4K diamonds scored across 4 quality tiers
Excellent
4,940 (23.1%)
Very Good
7,030 (32.9%)
Good
6,281 (29.4%)
Average
3,122 (14.6%)
Find Your Diamond
Search 21,373 I SI1 round diamonds and compare prices.
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