5.00ct+ I SI2 Natural Round
As of April 2026, there are 17,590 natural round diamonds with I color and SI2 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from £47 GBP to £652,062 GBP, with an average of £5,196 GBP.
Last updated: April 2026
Available
17,590
Lowest Price
£47 GBP
Highest Price
£652,062 GBP
Average Price
£5,196 GBP
Market Intelligence
Retailers Selling
20
Cross Retailer %
N/A
Price Spread
34.5%
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
$12,463
Median
$23,461
90th Percentile
$32,075
Score Distribution
17.6K diamonds scored across 4 quality tiers
Excellent
3,837 (21.8%)
Very Good
7,021 (39.9%)
Good
4,072 (23.2%)
Average
2,655 (15.1%)
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