1.00 - 1.49ct J SI1 Lab Grown Marquise
As of April 2026, there are 102 lab grown marquise diamonds with J color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from $139 USD to $41,351 USD, with an average of $2,751 USD.
Last updated: April 2026
Available
102
Lowest Price
$139 USD
Highest Price
$41,351 USD
Average Price
$2,751 USD
Market Intelligence
Retailers Selling
14
Cross Retailer %
N/A
Price Spread
26.5%
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
$1,190
Median
$1,529
90th Percentile
$2,320
Score Distribution
102 diamonds scored across 4 quality tiers
Excellent
6 (5.9%)
Very Good
42 (41.2%)
Good
38 (37.3%)
Average
16 (15.7%)
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