1.00 - 1.49ct I SI1 Natural Radiant
As of April 2026, there are 1,637 natural radiant diamonds with I color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from $460 AUD to $1,140,420 AUD, with an average of $17,948 AUD.
Last updated: April 2026
Available
1,637
Lowest Price
$460 AUD
Highest Price
$1,140,420 AUD
Average Price
$17,948 AUD
Market Intelligence
Retailers Selling
55
Cross Retailer %
N/A
Price Spread
42.0%
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
$1,627
Median
$2,353
90th Percentile
$3,790
Score Distribution
1.6K diamonds scored across 4 quality tiers
Excellent
243 (14.8%)
Very Good
574 (35.1%)
Good
581 (35.5%)
Average
239 (14.6%)
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