1.00 - 1.49ct J I1 Natural Heart
As of April 2026, there are 84 natural heart diamonds with J color and I1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ￥82,101 JPY to ￥11,667,164 JPY, with an average of ￥1,063,270 JPY.
Last updated: April 2026
Available
84
Lowest Price
￥82,101 JPY
Highest Price
￥11,667,164 JPY
Average Price
￥1,063,270 JPY
Market Intelligence
Retailers Selling
14
Cross Retailer %
28.6%
Price Spread
59.8%
30-Day Price Trend
-4.2%
30-Day Supply Change
+11.3%
Volatility (30d)
0.02
Price Range
Price per carat distribution across retailers
10th Percentile
$1,261
Median
$1,760
90th Percentile
$3,350
Score Distribution
84 diamonds scored across 4 quality tiers
Excellent
1 (1.2%)
Very Good
20 (23.8%)
Good
17 (20.2%)
Average
46 (54.8%)
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