5.00ct+ J SI2 Natural Marquise
As of April 2026, there are 906 natural marquise diamonds with J color and SI2 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from £129 GBP to £85,702 GBP, with an average of £5,233 GBP.
Last updated: April 2026
Available
906
Lowest Price
£129 GBP
Highest Price
£85,702 GBP
Average Price
£5,233 GBP
Market Intelligence
Retailers Selling
16
Cross Retailer %
N/A
Price Spread
39.7%
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
$7,227
Median
$14,197
90th Percentile
$18,592
Score Distribution
906 diamonds scored across 4 quality tiers
Excellent
87 (9.6%)
Very Good
221 (24.4%)
Good
342 (37.7%)
Average
256 (28.3%)
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