0.50 - 0.74ct J SI1 Lab Grown Marquise
As of April 2026, there are 103 lab grown marquise diamonds with J color and SI1 clarity in the 0.50 - 0.74ct range available across retailers worldwide. Prices range from £109 GBP to £32,560 GBP, with an average of £2,246 GBP.
Last updated: April 2026
Available
103
Lowest Price
£109 GBP
Highest Price
£32,560 GBP
Average Price
£2,246 GBP
Market Intelligence
Retailers Selling
18
Cross Retailer %
N/A
Price Spread
47.1%
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
$624
Median
$1,023
90th Percentile
$1,858
Score Distribution
103 diamonds scored across 4 quality tiers
Excellent
8 (7.8%)
Very Good
40 (38.8%)
Good
37 (35.9%)
Average
18 (17.5%)
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