0.20 - 0.49ct I SI2 Natural Marquise
As of April 2026, there are 1,187 natural marquise diamonds with I color and SI2 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from ￥27,455 JPY to ￥50,733,633 JPY, with an average of ￥1,007,481 JPY.
Last updated: April 2026
Available
1,187
Lowest Price
￥27,455 JPY
Highest Price
￥50,733,633 JPY
Average Price
￥1,007,481 JPY
Market Intelligence
Retailers Selling
36
Cross Retailer %
N/A
Price Spread
42.8%
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
$719
Median
$1,120
90th Percentile
$1,742
Score Distribution
1.2K diamonds scored across 4 quality tiers
Excellent
215 (18.1%)
Very Good
419 (35.3%)
Good
416 (35.0%)
Average
137 (11.5%)
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