1.00 to 1.49ct L SI1 Natural Marquise
Last updated: November 6, 2026
Available
109
Lowest Price
£593 GBP
Highest Price
£3,880 GBP
Average Price
£1,370 GBP
Market Intelligence
Cross Retailer %
46.8%
Price Spread
42.4%
30-Day Price Trend
+1.6%
30-Day Supply Change
+31.8%
Volatility (30d)
0.01
Price Range
Price per carat distribution across retailers
10th Percentile
$1,138
Median
$1,615
90th Percentile
$2,408
Score Distribution
109 diamonds scored across 4 quality tiers
Excellent
17 (15.6%)
Very Good
27 (24.8%)
Good
29 (26.6%)
Average
36 (33.0%)
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