1.00 - 1.49ct I SI2 Lab Grown Marquise
As of April 2026, there are 78 lab grown marquise diamonds with I color and SI2 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ￥29,552 JPY to ￥6,101,687 JPY, with an average of ￥835,654 JPY.
Last updated: April 2026
Available
78
Lowest Price
￥29,552 JPY
Highest Price
￥6,101,687 JPY
Average Price
￥835,654 JPY
Market Intelligence
Retailers Selling
15
Cross Retailer %
N/A
Price Spread
48.3%
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
$1,286
Median
$1,949
90th Percentile
$3,335
Score Distribution
78 diamonds scored across 4 quality tiers
Excellent
4 (5.1%)
Very Good
27 (34.6%)
Good
24 (30.8%)
Average
23 (29.5%)
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