1.00 to 1.49ct G SI1 Natural Marquise
Last updated: June 2026
Available
1,971
Lowest Price
$148 USD
Highest Price
$544,636 USD
Average Price
$4,941 USD
Market Intelligence
Retailers Selling
53
Cross Retailer %
N/A
Price Spread
29.4%
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
$2,967
Median
$3,943
90th Percentile
$5,443
Score Distribution
2.0K diamonds scored across 4 quality tiers
Excellent
401 (20.3%)
Very Good
637 (32.3%)
Good
625 (31.7%)
Average
308 (15.6%)
Find Your Diamond
Search 1,971 G SI1 marquise diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.