1.00 - 1.49ct I SI2 Natural Marquise
As of April 2026, there are 1,185 natural marquise diamonds with I color and SI2 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from $249 CAD to $459,345 CAD, with an average of $8,200 CAD.
Last updated: April 2026
Available
1,185
Lowest Price
$249 CAD
Highest Price
$459,345 CAD
Average Price
$8,200 CAD
Market Intelligence
Retailers Selling
45
Cross Retailer %
N/A
Price Spread
42.7%
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
$1,876
Median
$2,769
90th Percentile
$4,090
Score Distribution
1.2K diamonds scored across 4 quality tiers
Excellent
215 (18.1%)
Very Good
417 (35.2%)
Good
432 (36.5%)
Average
121 (10.2%)
Find Your Diamond
Search 1,185 I SI2 marquise diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.