1.00 - 1.49ct J SI1 Natural Heart
As of April 2026, there are 1,358 natural heart diamonds with J color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from £134 GBP to £131,845 GBP, with an average of £3,457 GBP.
Last updated: April 2026
Available
1,358
Lowest Price
£134 GBP
Highest Price
£131,845 GBP
Average Price
£3,457 GBP
Market Intelligence
Retailers Selling
46
Cross Retailer %
N/A
Price Spread
48.1%
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
$1,359
Median
$1,889
90th Percentile
$3,227
Score Distribution
1.4K diamonds scored across 4 quality tiers
Excellent
223 (16.4%)
Very Good
403 (29.7%)
Good
479 (35.3%)
Average
253 (18.6%)
Find Your Diamond
Search 1,358 J SI1 heart diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.