3.00 - 4.99ct I SI2 Lab Grown Marquise
As of April 2026, there are 70 lab grown marquise diamonds with I color and SI2 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from ￥29,552 JPY to ￥6,114,766 JPY, with an average of ￥645,219 JPY.
Last updated: April 2026
Available
70
Lowest Price
￥29,552 JPY
Highest Price
￥6,114,766 JPY
Average Price
￥645,219 JPY
Market Intelligence
Retailers Selling
4
Cross Retailer %
N/A
Price Spread
92.6%
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
$3,848
Median
$6,938
90th Percentile
$13,818
Score Distribution
70 diamonds scored across 4 quality tiers
Excellent
4 (5.7%)
Very Good
29 (41.4%)
Good
20 (28.6%)
Average
17 (24.3%)
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