1.00 - 1.49ct J SI1 Natural Cushion
As of April 2026, there are 2,032 natural cushion diamonds with J color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from £121 GBP to £328,366 GBP, with an average of £6,145 GBP.
Last updated: April 2026
Available
2,032
Lowest Price
£121 GBP
Highest Price
£328,366 GBP
Average Price
£6,145 GBP
Market Intelligence
Retailers Selling
44
Cross Retailer %
N/A
Price Spread
55.9%
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
$1,129
Median
$1,830
90th Percentile
$3,153
Score Distribution
2.0K diamonds scored across 4 quality tiers
Excellent
272 (13.4%)
Very Good
542 (26.7%)
Good
749 (36.9%)
Average
469 (23.1%)
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