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 £433 GBP to £61,551 GBP, with an average of £5,609 GBP.
Last updated: April 2026
Available
84
Lowest Price
£433 GBP
Highest Price
£61,551 GBP
Average Price
£5,609 GBP
Market Intelligence
Retailers Selling
15
Cross Retailer %
27.9%
Price Spread
59.3%
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
$1,262
Median
$1,764
90th Percentile
$3,349
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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