1.00 - 1.49ct J I1 Lab Grown Marquise
As of April 2026, there are 56 lab grown marquise diamonds with J color and I1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ￥27,222 JPY to ￥6,260,746 JPY, with an average of ￥620,510 JPY.
Last updated: April 2026
Available
56
Lowest Price
￥27,222 JPY
Highest Price
￥6,260,746 JPY
Average Price
￥620,510 JPY
Market Intelligence
Retailers Selling
8
Cross Retailer %
10.5%
Price Spread
251.2%
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
$592
Median
$1,199
90th Percentile
$5,325
Score Distribution
56 diamonds scored across 3 quality tiers
Very Good
4 (7.1%)
Good
23 (41.1%)
Average
29 (51.8%)
Find Your Diamond
Search 56 J I1 marquise diamonds and compare prices.
Search Diamonds