1.00 to 1.49ct J I1 Natural Marquise
Last updated: July 2026
Available
48
Lowest Price
£604 GBP
Highest Price
£7,898 GBP
Average Price
£2,102 GBP
Market Intelligence
Retailers Selling
16
Cross Retailer %
42.9%
Price Spread
59.5%
30-Day Price Trend
+18.2%
30-Day Supply Change
+13.2%
Volatility (30d)
0.04
Price Range
Price per carat distribution across retailers
10th Percentile
$1,207
Median
$1,841
90th Percentile
$2,930
Score Distribution
48 diamonds scored across 4 quality tiers
Excellent
2 (4.2%)
Very Good
9 (18.8%)
Good
17 (35.4%)
Average
20 (41.7%)
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