1.50 - 1.99ct I SI1 Natural Radiant
As of April 2026, there are 1,653 natural radiant diamonds with I color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from $399 SGD to $988,364 SGD, with an average of $15,220 SGD.
Last updated: April 2026
Available
1,653
Lowest Price
$399 SGD
Highest Price
$988,364 SGD
Average Price
$15,220 SGD
Market Intelligence
Retailers Selling
50
Cross Retailer %
N/A
Price Spread
44.8%
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
$2,781
Median
$4,158
90th Percentile
$6,408
Score Distribution
1.7K diamonds scored across 4 quality tiers
Excellent
241 (14.6%)
Very Good
586 (35.5%)
Good
589 (35.6%)
Average
237 (14.3%)
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