0.75 - 0.99ct J SI2 Lab Grown Marquise
As of April 2026, there are 84 lab grown marquise diamonds with J color and SI2 clarity in the 0.75 - 0.99ct range available across retailers worldwide. Prices range from £152 GBP to £80,298 GBP, with an average of £4,356 GBP.
Last updated: April 2026
Available
84
Lowest Price
£152 GBP
Highest Price
£80,298 GBP
Average Price
£4,356 GBP
Market Intelligence
Retailers Selling
13
Cross Retailer %
N/A
Price Spread
97.7%
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
$860
Median
$1,253
90th Percentile
$3,055
Score Distribution
84 diamonds scored across 4 quality tiers
Excellent
3 (3.6%)
Very Good
26 (31.0%)
Good
17 (20.2%)
Average
38 (45.2%)
Find Your Diamond
Search 84 J SI2 marquise diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.