0.20 - 0.49ct I SI1 Natural Round
As of April 2026, there are 21,822 natural round diamonds with I color and SI1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from $157 NZD to $747,320 NZD, with an average of $9,439 NZD.
Last updated: April 2026
Available
21,822
Lowest Price
$157 NZD
Highest Price
$747,320 NZD
Average Price
$9,439 NZD
Market Intelligence
Retailers Selling
31
Cross Retailer %
N/A
Price Spread
51.0%
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
$944
Median
$1,533
90th Percentile
$2,461
Score Distribution
21.8K diamonds scored across 4 quality tiers
Excellent
5,226 (24.0%)
Very Good
7,143 (32.7%)
Good
6,324 (29.0%)
Average
3,126 (14.3%)
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Search 21,822 I SI1 round diamonds and compare prices.
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