1.00 - 1.49ct J SI2 Lab Grown Marquise
As of April 2026, there are 78 lab grown marquise diamonds with J color and SI2 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ￥28,806 JPY to ￥2,242,687 JPY, with an average of ￥496,353 JPY.
Last updated: April 2026
Available
78
Lowest Price
￥28,806 JPY
Highest Price
￥2,242,687 JPY
Average Price
￥496,353 JPY
Market Intelligence
Retailers Selling
11
Cross Retailer %
N/A
Price Spread
28.7%
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
$1,227
Median
$1,520
90th Percentile
$2,015
Score Distribution
78 diamonds scored across 4 quality tiers
Excellent
2 (2.6%)
Very Good
25 (32.1%)
Good
20 (25.6%)
Average
31 (39.7%)
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