1.50 - 1.99ct I SI2 Natural Heart
As of April 2026, there are 1,859 natural heart diamonds with I color and SI2 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from $222 AUD to $810,917 AUD, with an average of $10,912 AUD.
Last updated: April 2026
Available
1,859
Lowest Price
$222 AUD
Highest Price
$810,917 AUD
Average Price
$10,912 AUD
Market Intelligence
Retailers Selling
45
Cross Retailer %
N/A
Price Spread
60.4%
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
$2,151
Median
$3,301
90th Percentile
$5,900
Score Distribution
1.9K diamonds scored across 4 quality tiers
Excellent
353 (19.0%)
Very Good
685 (36.8%)
Good
535 (28.8%)
Average
286 (15.4%)
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