1.00 to 1.49ct I SI1 Natural Marquise
Last updated: July 2026
Available
414
Lowest Price
£734 GBP
Highest Price
£11,959 GBP
Average Price
£2,614 GBP
Market Intelligence
Retailers Selling
54
Cross Retailer %
N/A
Price Spread
38.5%
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
$2,230
Median
$3,370
90th Percentile
$4,756
Score Distribution
414 diamonds scored across 4 quality tiers
Excellent
64 (15.5%)
Very Good
120 (29.0%)
Good
159 (38.4%)
Average
71 (17.1%)
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