0.50 - 0.74ct I SI2 Lab Grown Marquise
As of April 2026, there are 78 lab grown marquise diamonds with I color and SI2 clarity in the 0.50 - 0.74ct range available across retailers worldwide. Prices range from £156 GBP to £32,190 GBP, with an average of £4,409 GBP.
Last updated: April 2026
Available
78
Lowest Price
£156 GBP
Highest Price
£32,190 GBP
Average Price
£4,409 GBP
Market Intelligence
Retailers Selling
11
Cross Retailer %
N/A
Price Spread
68.8%
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
$764
Median
$1,254
90th Percentile
$2,398
Score Distribution
78 diamonds scored across 4 quality tiers
Excellent
4 (5.1%)
Very Good
27 (34.6%)
Good
24 (30.8%)
Average
23 (29.5%)
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