1.50 - 1.99ct I SI2 Natural Radiant
As of April 2026, there are 1,047 natural radiant diamonds with I color and SI2 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from $446 AUD to $513,400 AUD, with an average of $18,004 AUD.
Last updated: April 2026
Available
1,047
Lowest Price
$446 AUD
Highest Price
$513,400 AUD
Average Price
$18,004 AUD
Market Intelligence
Retailers Selling
46
Cross Retailer %
N/A
Price Spread
49.4%
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
$2,304
Median
$3,551
90th Percentile
$5,626
Score Distribution
1.0K diamonds scored across 4 quality tiers
Excellent
196 (18.7%)
Very Good
398 (38.0%)
Good
304 (29.0%)
Average
149 (14.2%)
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