5.00ct+ I SI1 Natural Round
As of April 2026, there are 21,246 natural round diamonds with I color and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from $157 NZD to $747,320 NZD, with an average of $9,568 NZD.
Last updated: April 2026
Available
21,246
Lowest Price
$157 NZD
Highest Price
$747,320 NZD
Average Price
$9,568 NZD
Market Intelligence
Retailers Selling
16
Cross Retailer %
N/A
Price Spread
40.0%
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
$15,563
Median
$26,328
90th Percentile
$40,871
Score Distribution
21.2K diamonds scored across 4 quality tiers
Excellent
4,977 (23.4%)
Very Good
7,018 (33.0%)
Good
6,104 (28.7%)
Average
3,147 (14.8%)
Find Your Diamond
Search 21,246 I SI1 round diamonds and compare prices.
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