0.75 - 0.99ct J I1 Lab Grown Marquise
As of April 2026, there are 57 lab grown marquise diamonds with J color and I1 clarity in the 0.75 - 0.99ct range available across retailers worldwide. Prices range from £144 GBP to £33,108 GBP, with an average of £3,346 GBP.
Last updated: April 2026
Available
57
Lowest Price
£144 GBP
Highest Price
£33,108 GBP
Average Price
£3,346 GBP
Market Intelligence
Retailers Selling
4
Cross Retailer %
0.0%
Price Spread
30.2%
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
$577
Median
$805
90th Percentile
$1,122
Score Distribution
57 diamonds scored across 3 quality tiers
Very Good
4 (7.0%)
Good
18 (31.6%)
Average
35 (61.4%)
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