1.50 - 1.99ct D SI1 Natural Marquise
As of April 2026, there are 3,143 natural marquise diamonds with D color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from £100 GBP to £189,454 GBP, with an average of £4,229 GBP.
Last updated: April 2026
Available
3,143
Lowest Price
£100 GBP
Highest Price
£189,454 GBP
Average Price
£4,229 GBP
Market Intelligence
Retailers Selling
47
Cross Retailer %
N/A
Price Spread
25.3%
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
$7,082
Median
$8,915
90th Percentile
$11,406
Score Distribution
3.1K diamonds scored across 5 quality tiers
Exceptional
13 (0.4%)
Excellent
583 (18.5%)
Very Good
889 (28.3%)
Good
1,181 (37.6%)
Average
477 (15.2%)
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