1.50 - 1.99ct F SI1 Natural Marquise
As of April 2026, there are 2,455 natural marquise diamonds with F color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from £119 GBP to £170,650 GBP, with an average of £3,003 GBP.
Last updated: April 2026
Available
2,455
Lowest Price
£119 GBP
Highest Price
£170,650 GBP
Average Price
£3,003 GBP
Market Intelligence
Retailers Selling
48
Cross Retailer %
N/A
Price Spread
29.9%
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
$5,445
Median
$7,698
90th Percentile
$10,107
Score Distribution
2.5K diamonds scored across 5 quality tiers
Exceptional
2 (0.1%)
Excellent
337 (13.7%)
Very Good
729 (29.7%)
Good
1,014 (41.3%)
Average
373 (15.2%)
Find Your Diamond
Search 2,455 F SI1 marquise diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.