1.50 - 1.99ct I SI1 Lab Grown Marquise
As of April 2026, there are 139 lab grown marquise diamonds with I color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from ￥9,999 JPY to ￥6,784,925 JPY, with an average of ￥482,081 JPY.
Last updated: April 2026
Available
139
Lowest Price
￥9,999 JPY
Highest Price
￥6,784,925 JPY
Average Price
￥482,081 JPY
Market Intelligence
Retailers Selling
12
Cross Retailer %
N/A
Price Spread
23.7%
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
$1,375
Median
$1,718
90th Percentile
$2,051
Score Distribution
139 diamonds scored across 4 quality tiers
Excellent
16 (11.5%)
Very Good
47 (33.8%)
Good
57 (41.0%)
Average
19 (13.7%)
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