3.00 - 4.99ct I SI1 Natural Round
As of April 2026, there are 21,020 natural round diamonds with I color and SI1 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from £74 GBP to £353,065 GBP, with an average of £4,567 GBP.
Last updated: April 2026
Available
21,020
Lowest Price
£74 GBP
Highest Price
£353,065 GBP
Average Price
£4,567 GBP
Market Intelligence
Retailers Selling
54
Cross Retailer %
N/A
Price Spread
31.7%
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
$8,254
Median
$12,122
90th Percentile
$16,584
Score Distribution
21.0K diamonds scored across 4 quality tiers
Excellent
5,001 (23.8%)
Very Good
6,998 (33.3%)
Good
5,926 (28.2%)
Average
3,095 (14.7%)
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