5.00ct+ H SI1 Natural Marquise
As of April 2026, there are 1,259 natural marquise diamonds with H color and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from $158 USD to $316,147 USD, with an average of $5,476 USD.
Last updated: April 2026
Available
1,259
Lowest Price
$158 USD
Highest Price
$316,147 USD
Average Price
$5,476 USD
Market Intelligence
Retailers Selling
8
Cross Retailer %
N/A
Price Spread
34.7%
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
$18,680
Median
$26,964
90th Percentile
$40,569
Score Distribution
1.3K diamonds scored across 4 quality tiers
Excellent
199 (15.8%)
Very Good
304 (24.1%)
Good
433 (34.4%)
Average
323 (25.7%)
Find Your Diamond
Search 1,259 H SI1 marquise diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.